-So how long have you been in Sichuan?-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
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B解析考查动词时态。根据题干中I'm on a great tour,可知现在说话者还在旅途中,因此选B,用现在进行时的形式表示将来时的意思,意思为打算、计划做某事。