CareersAdviceserviceisonlyavailabletopeopleonday-timecourses．（）A.tostudyB.studyC.studiedD.studying
<p>问题：CareersAdviceserviceisonlyavailabletopeopleonday-timecourses．（）A.tostudyB.studyC.studiedD.studying<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">贾海洋的回答：<div class="content-b">网友采纳 答案：D 句中study修饰people作后置定语，要用非谓语动词；people和study构成主谓关系，且句意表达的是进行的动作，要用表示主动的现在分词来构成．故选D．
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