Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.
A.anxiety
B.marks
C.signs
D.remarks
网友回答
C解析anxiety与 tension 同义，意思为紧张；mark记号，痕迹； sign迹象，现象，标记； remark评论。根据句意，应为show signs of tension表现出紧张的样子。