Since 1970,millions of enthusiasts____Vitamin C,which they believe can remedy the common cold. A.havebeentakenB.havebeentaking... A.have been taken B.have been taking 展开 2个回答 #热议# 为什么有人显老,有人显年轻? fyc275959288 2012-12-22 知道答主 回答量:3 采纳率:0% 帮助的人:5.5万 我也去答题访问个人页 关注 展开全部 答案应为B此句子主语是millions of enthusiasts(数以百万记的热心的人们),宾语是Vitamin C(维生素C),谓语动词应选择主动,该动作延续到现在,而且未必停止,所以应选择现在完成进行时态。如果改成have taken 表明该动作到现在已经完成了,现在大家不服用维生素C了。根据实际情况来看,不太符合。 追问 如果改成have taken 意思变成什么了?是不是也可以? 追答 我把答案改了,您看懂了吗? 本回答由提问者推荐 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 可可英语98eab7 2012-12-22 · TA获得超过2493个赞 知道小有建树答主 回答量:1577 采纳率:50% 帮助的人:911万 我也去答题访问个人页 关注 展开全部 选B,现在完成进行时,从那时到现在,一直服用。A是现在完成时的被动语态。 追问 如果改成have taken 意思变成什么了?是不是也可以? 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询 其他类似问题 2011-07-11 英语高手请进!一道2011高考英语题目详解! 1 2011-10-02 Most students can't understand the sentence,so it wants ___once more 2 2016-11-05 China is known ______ greatly in terms of its cultural values over the past few years. A.to .. 1 2016-10-18 Thomas Edison ______ made 1,093 inventions in his life, was one of the greatest inventors.A. wh... 2014-10-25 (2013·开封高三第一次模考)It is announced that big prizes will go to ________ finishes the assignm 2011-11-21 Overseas have been donating money for the victims__ from snow disaster in south China since Feb, 2016-03-10 At first, the words seem to ____ to domestic violence, ____ then we realize the ad is a learnin... 2016-03-04 (2014·安徽省芜湖三校高三第一次模拟考试)—It is reported that he was sentenced to life in prison f 为你推荐: