问题
选择题
By accident, he _______he had done something wrong and that he hadn’t been prison for a few weeks.
A．let out
B．made out
C．made sure
D．took care
答案
答案：A
let out泄露，透露；发出（叫声），此题根据句意应为“无意中透露出……”，故答案选A。take care后不能接宾语从句；而make sure 与accidentally矛盾。take care当心；make sure 有把握，一定；make out弄清楚；理解，明白。
