【题目】It is estimated that 12.79 million new urban jobs have been created this year, which almost doubles _____ it was last year.
A.howB.whichC.whereD.what
在线课程【答案】D
【解析】
考查宾语从句。句意：据估计，今年城市新增就业岗位1279万个，几乎是去年的两倍。分析句子可知，double后接宾语从句，宾语从句中缺少表语，所以由what来充当表语。故选D项。