问题:
[不定项选择题]
第二篇Crystal EarOne day a friend asked my wife Jill if I wanted a hearing aid."He certainly does,"replied Jill.After hearing about a remarkable new product,Jill finally got up the nerve to ask me if I'd
A、It is highly sensitive.
B、It is powerful.
C、It is invisible.
D、It is wireless.
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