问题
选择题
Do you know since when it is ________ you have been interested in poetry?
A．when
B．until
C．how
D．that
答案
答案：D
考查宾语从句。宾语从句是一个特殊疑问句的强调句型，结构为：疑问词+ is/was + it + that,在此题中宾语从句应用陈述句语序。故选D。
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