33.I had no idea _ she was absent yesterday.Later I was told _ she had caught a bad cold.

题目

33.I had no idea _ she was absent yesterday.Later I was told _ she had caught a bad cold.
A that,because
B how ,that
C why ,that
D why,because

答案

33.C
中文意思 ：我不知道她为什么昨天是缺席的.后来,我被告诉她得了重感冒.