No one was sure exactly he wantedA. how was it thatB. how it was that C. what was it thatD

问题补充：

No one was sure exactly he wanted

A. how was it that

B. how it was that

C. what was it that

D. what it was that

答案：

A. how was it that

B. how it was that

C. what was it that

(答案→)D. what it was that

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