Which sentence from this introduction paragraph is most clearly an attention grabber? (1) Clearly, a novel can influence a filmmaker and a film can influence a novelist. This is obvious in so many books and movies. The influence of one medium over another was at work in the 1800s too. (2) In the case of Charles Dickens, the theater was a major influence on his writing. (3) Some critics even argue that he should have been a playwright. (4) Indeed, Dickens's novel Great Expectations shows the influence of theater in several important ways.

A.
Sentence 1

B.
Sentence 3

C.
Sentence 4

D.
Sentence 2
.