题目

--- I saw Jane and her boyfriend in the park at eight yesterday evening.   ---- Impossible. She ______ TV with me in my home then. A. watched       B. had watched        C. would watch      D. was watching   答案：D王师傅要加工528个零件，如果每小时能加工22个，王师傅加工完这批零件需要多少小时？