Answer: Scout, the narrator, remembers the summer that her brother Jem broke his arm, and she looks back over the years to recall the incidents that led to that climactic event. ... Their attempts culminate in a dare to Jem, which he grudgingly takes.
It's not B. It doesn't have quotation marks. Not C because the first word in the quotations needs to be capitalized. Not D because the quotation need to surround the statement. So your answer is A :) Hope this helped :)