Most museums are just for looking. But today some of them have things for you to touch. Th

问题补充：

Most museums are just for looking. But today some of them have things for you to touch. The signs say, !

A. Be touching

B. To touch

C. Do touch

D. No touch

答案：

A. Be touching

B. To touch

(答案→)C. Do touch

D. No touch

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