24.I wasn’t sure if he was really interested or if he polite.
(A)was just being
(B)will just be
(C)had just been
(D)would just be

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詳解 (共 1 筆)

#1202508
由or可知，此处应该是过去时，而A与"was really interested"是一致的，故选（A）
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