问题描述：
The people,_______ had been damaged by the flood,were given help by the Red Cross.
A.all of their homes
B.all whose homes
C.whose all homes
D.all of whose homes
为什么不选B
A.all of their homes
B.all whose homes
C.whose all homes
D.all of whose homes
为什么不选B
问题解答：
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