Much to his surprise,he invited only twenty friends to the dinner, but _____ came． ［2011岳阳模拟
Much to his surprise,he invited only twenty friends to the dinner, but _____ came．
［2011岳阳模拟］
A. twice as many asB. as many as twice
C. twice as many D. twice more than
【解析】选C.考查倍数表达法.句意：使他感到惊讶的是,他只邀请了二十个朋友吃晚餐,但来了两倍的人.此句为：倍数+as + adj.（+as. . . ）结构.
为什么as可以省略?不是说前面有一个as后面就必须有一个as与其对应吗?另外,请详细解释A.