问题
选择题
The wounded soldiers were caught and ________ the enemy.[ ]
A．at the price of
B．at the sight of
C．at the mercy of
D．at the bottom of
答案
答案：C
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The wounded soldiers were caught and ________ the enemy.[ ]
A．at the price of
B．at the sight of
C．at the mercy of
D．at the bottom of
答案：C