The price of pork has not been kept under control as expected, and is more surprising is that the price has risen by 15% just in the past few months．
A. that
B. which
C. what
D. it
网友回答
A. that
B. which
(答案→)C. what
D. it
解析：考查主语从句。本题的what引导的是一个主语从句，what在句中做主语。句意：猪肉的价格没有像预料的那样被控制，在过去的几个月里猪肉的价格出人意料第上涨了百分之15.故C正确。It不能引导主语从句，that在主语从句不充当任何成分。Which是指特定范围之内的某一个。故C正确。