单选题The doctor said that mental () is the major cause of his sleeping problem.A tensionB sadnessC angerD relaxation

题目
单选题
The doctor said that mental () is the major cause of his sleeping problem.
A

tension

B

sadness

C

anger

D

relaxation


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参考答案和解析
正确答案: D
解析: [解析] 句意:医生说精神紧张是导致他睡眠问题的主要原因。词义辨析。tension:紧张,不安;sadness:悲伤,伤心;anger:生气,气愤;relaxation:放松。