— Must I feed the goldfish now?
— No, you ______. But you must do it before supper.
A．needn’tB．mustn’tC．don’tD．can’t
A
考查情態(tài)動(dòng)詞的用法。對于must引導(dǎo)的一般疑問句的否定回答，用needn’t 或don’t have to.故選A。
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