He ________ as if he were going to speak．A.looksB.seemsC.appearsD.appeared
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A解析句意：他看上去像要说话。look as if是一个词组，表示“看上去像……”，若用seem，则主语应是it，即It seems as if he were going to speak．appear表示“从表面上看”，与本题的意思不符。由as if he were going to speak可知，本题是对现在的虚拟，因此用过去时，主句应是一般现在时，而D项是一般过去时，因此不对。