There are many beautiful hats here. I really don’t know.A. what to chooseB. how to choose

问题补充：

There are many beautiful hats here. I really don’t know.

A. what to choose

B. how to choose

C. which to choose

D. where choosing them

答案：

A. what to choose

B. how to choose

(答案→)C. which to choose

D. where choosing them

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