--i am sorry to have kept you waiting long ---never mind .i (-----)here for only a few minutesa have been b have come c have arrived d waited

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--iamsorrytohavekeptyouwaitinglong---nevermind.i(-----)hereforonlyafewminutesahavebeenbhavecomechave

--i am sorry to have kept you waiting long ---never mind .i (-----)here for only a few minutesa have been b have come c have arrived d waited
--i am sorry to have kept you waiting long ---never mind .i (-----)here for only a few minutes
a have been b have come c have arrived d waited

--i am sorry to have kept you waiting long ---never mind .i (-----)here for only a few minutesa have been b have come c have arrived d waited
选A,原因是后面for only a few minutes 是一个时间段,应该用连续性动词

选A