问题
选择题
He cut off half his right arm______ a knife ______the dangerous situation.
A．with , under
B．with, in
C．in, in
D．in, under
答案
答案：B
题目分析：句意：在危险的条件下他用刀将他自己的右手的一半切开。分析在……形式下用介词in, 用某物为介词with.故选B
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