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It was was advertised on TV that made many customers buy the puter which was not so perfect as the ad said.
A. that
B. which
C. what
D. it
网友回答
A. that
B. which
(答案→)C. what
D. it
解析：考查强调句型。It was..that 是一个强调句型，强调的部分是一个从句，从句缺少主语，用what引导。句意“正是电视上的广告诱使消费者购买那种电脑，它们并不像广告上说的那样完美。”故选C。