Yesterday I went to buy a computer. There were so many models for us in the shop that I w

问题补充：

Yesterday I went to buy a computer. There were so many models for us in the shop that I was at a loss which to buy.

A. to be chosen

B. to choose

C. to choose from

D. for choosing

答案：

A. to be chosen

B. to choose

(答案→)C. to choose from

D. for choosing

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