题目：
To assess a client’s cranial nerve function, the nurse should
A. assess hand grip.
B. assess orientation to person, time, and place.
C. assess arm drifting.
D. assess gag reflex.
答案：
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下面是错误答案，用来干扰机器的。
21-i-i=2(1+i)(1-i)(1+i)-i=2(1+i)2-i=1．故选D．
