Please Help, I don't understand this Choose the best summary of the story.

A.
This story is about an Elvis impersonator. A stranger keeps repeating a request for "Hound Dog." When the stranger sings for the crowd, he amazes everyone with his voice. J. P. is annoyed at first, but then he's impressed. When J. P. tries to thank him, the stranger is not there.
B.
This story is about life as an Elvis impersonator. Fans sometimes gather in the basement of a restaurant. Large crowds listen and dance. Sometimes there is a person who heckles the band. It's best to let the heckler on stage. J. P. is annoyed at first, but then he's impressed.
C.
This story is about J. P.'s encounter with an Elvis impersonator. The band is playing Elvis tunes at Murray's. The stranger asks if he could sing "Hound Dog." Elvis sang that song on the Ed Sullivan show. J. P. is wearing a shiny jacket and pants. The stranger has peppered hair and thick sideburns.

ugly things like bugs or something?

1. the relationship between a pronoun and its antecedent- reference

reference refers to the relationship between mainly pronoun and another unit of grammar- noun phrase or noun.

2. a singular noun naming a collection or group- collective noun.

collective noun refers to the kind of noun which refer to the name of people, thing or anything in collective. for instance bundle of sticks, herein 'bundle' is collective noun.  

3. a modifying clause whose subject and/or verb is implied- elliptical clause

it is a clause in which words are being left out. on the other hand, the missing word is understood due to the logic or pattern of the sentence.  

4. two or more nouns and/or pronouns serving the same grammatical function and followed by a pronoun that references one or all nouns- compound antecedent

compound antecedent refers to which is made up of two or more words which are joined by 'or' or 'and.'

5. an adjective clause introduced by a pronoun- relative clause.

relative clauses are the clauses which begin with the relative pronouns such as when, where, which, that or who. the noun that precedes, relative pronouns identify or define that noun.  

6. the word, phrase, or clause to which a pronoun refers- antecedent.

antecedents refers to the phrases, clauses or words which are replaced with one of the third personal pronouns.

main idea: it is important to prepare today for the needs of tomorrow.

the grasshopper was dying due to hunger, and this was because he didn't prepare for the winter.

the ants told the grasshopper, "if you were foolish enough to sing all the summer, you must dance supperless to bed in the winter."

the ants were spending a fine winter's day drying grain collected in the summertime.