According to Dr. Getsy you should have a napA.more than 2 hours.B.less than 45 minutes.C.

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According to Dr. Getsy, you should have a nap

A.more than 2 hours.

B.less than 45 minutes.

C.about 20 minutes.

D.about 30 minutes.

请帮忙给出正确答案和分析,谢谢!

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