This hall is ________that room.
A. twice big than B. twice as bigger as C. not big as D. twice as big as
D
【解析】句意:这个大厅是那个房间的两倍大。这个题目考查倍数的句型,A选项中有than,故big应变为比较级形式,故A不对;B选项中用了as…as表示同级比较,两个as之间用形容词的原级,这里是bigger,比较级,故也不对;C选项中少了一个as;D选项使用了一个表示倍数的句型:倍数+as+形容词+as…,故应选D。