—When did you go to the United States?-- I remember there when I was ten.A. having takenB

问题补充：

—When did you go to the United States?

-- I remember there when I was ten.

A. having taken

B. to be taken

C. being taken

D. to take

答案：

A. having taken

B. to be taken

(答案→)C. being taken

D. to take

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