问题
选择题
— ________was it that David managed to get in contact with the professor?
— Oh, a friend of mine helped him.
[ ]A. Where
B. What
C. How
D. Why
答案
答案：C
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— ________was it that David managed to get in contact with the professor?
— Oh, a friend of mine helped him.
[ ]A. Where
B. What
C. How
D. Why
答案：C