How do you know when something is being used as a symbol?

Awell-written summary should be used o in place of reading an original text to you review something that you have already read

Identify how chekhov’s background and beliefs may have influenced his short story “the bet”.

Which phrase from the article suggests a tone that is formal but subjective? a- "thirty-six inches long and sixteen inches wide" b- "loads of fun with it" c- "most generous and attractive" d- "must be new subscribers"