問題詳情：
—What were you doing when I phoned you last night?
—I my painting and was starting to take a bath.
A. have already finished B. was finishing
C. had just finished D. was going to finish
【回答】
選C。由“我要洗澡”可知昨天你打電話時“我剛剛畫完”，“畫完”在“打電話前”之前，即過去的過去，故用過去完成。
知識點：過去完成時及其被動式
題型：選擇題
