Question

----Oh, you are here. I’m looking for you all the morning.      ？
----To the library.

A．Where have you gone	B．Where will you go
C．Where are you going	D．Where have you been?

Answer 1

D解析:
時態(tài)的考察 句意為“你在這里。我找了你一上午。”根據(jù)答語“我去了圖書館”，可知現(xiàn)在不在圖書館。所以應(yīng)用現(xiàn)在完成時，have gone to “去了” have been to“去過”。