摘要： D 此题表面上是考查定语从句的.而实质上也考查句子结构.此句的主干结构是:there are large numbers of people-- and many-- every year., 而who need hospital treatment和 die from the disease都是定语从句.先行词都是people.只不过many是代词.代指many people,第二个定语从句有缺少主语.故用D项.

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