Much to his surprise, he invited only twenty friends to the dinner, but came.
A. twice as many
B. as many as twice
C. twice as many as
D. twice more than
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(答案→)A. twice as many
B. as many as twice
C. twice as many as
D. twice more than
解析：倍数表达句型。倍数+as ... as 本题省略了as he invited。 令他吃惊的是他只邀请了20位聚餐但是到来的却是他邀请的两倍。 选A