问题
选择题
The soldiers hell and high water to capture the fort (要塞).
A．passed through
B．saw through
C．looked through
D．went through
答案
答案：D
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The soldiers hell and high water to capture the fort (要塞).
A．passed through
B．saw through
C．looked through
D．went through
答案：D
其中D是由x2+y2=4与x2+(y+1)2=1围成的区域．