问题描述：
并说明为什么选这个选项
I can hardly imagine ____ sailing across the Atlantic Ocean in five days.
A.Peter's B.Peter C.Peters D.Peters'
还有原因也说一下.
I can hardly imagine ____ sailing across the Atlantic Ocean in five days.
A.Peter's B.Peter C.Peters D.Peters'
还有原因也说一下.
问题解答：
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