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。