Badly dressed and speaking in a strange way, he must have ______ to the people present to be a silly old manA.appearedB.pretendedC.shownD.thought
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A解析题意：他衣冠不整，谈吐怪异，在在场者眼中，他想必显得是一个傻老人的形象。appear看上去好像，解题的关键在于是否能将to the people present(present“在场的”，作后置定语修饰the people)准确地分离出来。