Everynoe knows that he spends more time surfing on the Internet than he( )A.writesB.does writingC.is writingD.does to write为什么?do后面不是要加动词原形吗?怎么还能选B项?

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Everynoe knows that he spends more time surfing on the Internet than he( )
A.writes
B.does writing
C.is writing
D.does to write
为什么?do后面不是要加动词原形吗?怎么还能选B项?

这里面does前面是he,代替spends,要使用第三人称单数的形式.这个句子可以这样理Everyone knows that he spends more time suffering on the Internet than he spends (time in)writing.