问题详情
Donna: Can you tell me where the library is? Harry: Of course, it s behind the teaching building. Donna: Thanks. Harry: ______
A.Don"t be so sure.
B.I" m happy to have done it.
C.I"m glad you like it.
D.You are welcome.
请帮忙给出正确答案和分析,谢谢!