The young man managed _______ from his parents where he was going.
A、concealing
B、concealed
C、to conceal
D、having concealed
【正确答案】：C
【题目解析】：manage 可以接to do 和doing
manage to do sth:尽力做某事,用to do的时候表示这件事还没有做完
manage doing sth.尽力做完了某事,用doing的时候表示这件事已经做完了
句意为：那个年轻人设法瞒着父母他要去哪里。这件事还没有做完，应该选C，to conceal.
