问题补充：
---Andy, you were the only person that was late for the meeting, why?
---Sorry, sir. But I really had a time finding the meeting hall.
A. enjoyable
B. funny
C. difficult
D. pleasant
答案：
A. enjoyable
B. funny
(答案→)C. difficult
D. pleasant
解析：A. enjoyable享受的 B. funny有趣的 C. difficult困难的 D. pleasant高兴的，句意：安迪，你是唯一一个参加会议迟到的人。为什么？对不起，先生，但是我真的好不容易才找到会议大厅。have a difficult time doing sth在做某事方面有困难，故选C
