问题
单项选择题
Before the final examination, some students have shown（）of tension. They even have trouble in sleeping.
A.anxiety
B.marks
C.signs
D.remarks
答案
参考答案：C
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Before the final examination, some students have shown（）of tension. They even have trouble in sleeping.
A.anxiety
B.marks
C.signs
D.remarks
参考答案：C