I like these English songs and they ( )many times on the radio.A.taught B.have taughtC.are taught D.have been taught说下选哪个并解释.其他选项为什么不能选

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I like these English songs and they ( )many times on the radio.A.taught B.have taughtC.are taught D.have been taught说下选哪个并解释.其他选项为什么不能选
I like these English songs and they ( )many times on the radio.
A.taught B.have taught
C.are taught D.have been taught
说下选哪个并解释.其他选项为什么不能选

I like these English songs and they ( )many times on the radio.A.taught B.have taughtC.are taught D.have been taught说下选哪个并解释.其他选项为什么不能选
D
显然,song应该是被教,应该用被动,所以AB被排除;
而这句意思是“已经被教了多次”,用完成时,所以选D,如果选C,是现在时,一首歌不可能在同一时间被教多次,所以C排除.