．Why do you insist on buying a car ______ you have such good public transportation here?

A. because B. unless

C. when D. though

 

C

【解析】

試題分析：考查連詞辨析 句意：既然你們這里有這么好的公共交通，你為什么還要買一輛汽車？when除了表示“當(dāng)…時(shí)候”,還有“既然”的意思，because“因?yàn)椤�，unless“除非”，though“雖然”，根據(jù)句意選C。

考點(diǎn)：考查連詞辨析

 

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