问题补充：
---- Did the judge ask you many questions? ---- Yes, and .
A. they were difficult to be answered
B. to answer them was to be difficult
C. they were difficult to answer
D. they had difficulty in answering
答案：
A. they were difficult to be answered
B. to answer them was to be difficult
(答案→)C. they were difficult to answer
D. they had difficulty in answering
解析：“那位法官问了你很多问题吗？”“是的，”逻辑主语是questions，排除B、D；be+形容词+to do sth.句型，用主动表示被动含义。故选C。
