안녕하세요! 답변부탁드립니다.

해커스토익실전1000제문제 reading 1

TEST4 part 5 139번 (p111) 문제입니다.

Had the publishing firm sent the manuscript

to the printer earlier, the advertising team

______ to issue an announcement on a

change of date in the book's release.

(A) did not need

(B) could not have needed

(C) would not have needed

(D) is not needing

답은 (C) 입니다.

제 질문은

왜 (B)는 안되죠?