问题
单项选择题
I'm feeling much better now so you（）call the doctor.
A. couldn't
B. wouldn't
C. can't
D. needn't
答案
参考答案：D
解析：
本题考查情态动词的用法。need用作情态动词时通常用在否定句中，needn't意为“没必要”，相当于don't have to。
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I'm feeling much better now so you（）call the doctor.
A. couldn't
B. wouldn't
C. can't
D. needn't
参考答案：D
解析：
本题考查情态动词的用法。need用作情态动词时通常用在否定句中，needn't意为“没必要”，相当于don't have to。