—These days，he has stayed up late into night in order to get good marks in the following monthly test.
—It's no that he seems tired and asleep in class every day.
A. wonder
B. problem
C. doubt
D. question
网友回答
(答案→)A. wonder
B. problem
C. doubt
D. question
解析：考查名词辨析。句意：——这些日子他为了在接下来的月考中得到好分数熬到很晚。——难怪他每天看起来都很累，上课时好像都能睡着。It's no wonder that...“难怪……”，符合语意。