Which is the best example of substitution?

movie producers begin making more comedies because they cost less to make than action films.

people walk out before the end of a movie because the acting and the plot are terrible.

people at the movie theater switch from popcorn to candy because popcorn has gotten too expensive.

more people begin going to matinee movies instead of night movies to save money on the tickets.

both third and last paragraphs

Explanation:

People at the movie theater switch from popcorn to candy because popcorn has gotten too expensive.

More people begin going to matinee movies instead of night movies to save money on the tickets.

The best example of substitution are options C and D.

That is people at the movie theater switch from popcorn to candy because popcorn has gotten too expensive and more people begin going to matinee movies instead of night movies to save money on the tickets.

Explanation:

Substitution means to replace something or a person with another thing or person. It also restores symbols by other expressions. When popcorn costs more than another item in the movie theatre, people tend to go for the other options like over here it’s candy.

Also, when show prices at a theatre are lesser at night than the ones throughout people replace the latter with the former. In simple words, they opt for the cheaper one.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."