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— So how long have you been in Beijing? — Just a couple of d

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— So how long have you been in Beijing?
— Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here.
A.visited B.am visiting C.have visited D.have been visiting
C

考查时态。句意:因此你在北京呆了多久?——只有两天、你知道我正在进行一次伟大的旅行,我参观了所有有趣的地方。结合语境可知描述的是现在已经完成的动作,故用现在完成时态,选C。