— 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．visitedB．am visitingC．have visitedD．have been visiting
C
考查時態(tài)。句意：因此你在北京呆了多久？——只有兩天、你知道我正在進行一次偉大的旅行，我參觀了所有有趣的地方。結合語境可知描述的是現(xiàn)在已經(jīng)完成的動作，故用現(xiàn)在完成時態(tài)，選C。
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