【题目】I was wondering _____ that he won his regulars back so soon.
A. it was what B. what was it
C. how was it D. how it was
在线课程【答案】D
【解析】
试题分析：D考查强调句型。What指代名词或句子主语，how引导方式状语。根据句意可知句子不缺主语，排除A、B。句子强调he won his regulars back so soon，强调句型it be that+强调部分。故选D。