题干
—Excuse me ? Do you know _________?
—He may live No.l6, Horse Bridge Road, Ken Town.
A：where does Mr. Smith work
B：where Mr. Smith lives
C：how Mr. Smith comes back
D：when Mr. Smith goes home
答案(点此获取答案解析）
B
向量
，且满足
。若
，则 （ ）
