Not that I’m unwilling to lend you a hand I’m too busy for the moment.A. because ycyB. bu

问题补充：

Not that I’m unwilling to lend you a hand, I’m too busy for the moment.

A. because ycy

B. but that

C. but

D. however

答案：

A. because ycy

B. but that

(答案→)C. but

D. however

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