Is it that you often play computer games worries your parents?A. whyB. thatC. whichD. wha

问题补充：

Is it that you often play computer games worries your parents?

A. why

B. that

C. which

D. what

答案：

A. why

(答案→)B. that

C. which

D. what

解析：B 考察强调句。强调句的基本结构是：It is/was+被强调成分+that/who+其他成分。一般疑问句是把is/was提前。本句被强调的是一个that引导的主语从句，所填的that是强调句知道构成部分。故B正确。