请问高手这个答案是什么,为什么?I_my history lesson yesterday.Now I _all the work for today.A.was reviewing;have done B.reviewed;have done C.was reviewing;had done D.reviewed;am doing
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![请问高手这个答案是什么,为什么?I_my history lesson yesterday.Now I _all the work for today.A.was reviewing;have done B.reviewed;have done C.was reviewing;had done D.reviewed;am doing](/uploads/image/z/11480430-30-0.jpg?t=%E8%AF%B7%E9%97%AE%E9%AB%98%E6%89%8B%E8%BF%99%E4%B8%AA%E7%AD%94%E6%A1%88%E6%98%AF%E4%BB%80%E4%B9%88%2C%E4%B8%BA%E4%BB%80%E4%B9%88%3FI_my+history+lesson+yesterday.Now+I+_all+the+work+for+today.A.was+reviewing%3Bhave+done+B.reviewed%3Bhave+done+C.was+reviewing%3Bhad+done+D.reviewed%3Bam+doing)
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