They believed that by using puters the production of their factory ________.A.will greatly increaseB.would greatly increaseC.would be greatly increasedD.will have been greatly increased
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C解析increase作增长讲，既是及物动词，又是不及物动词。表示自然增长时用不及物动词形式，表示人为增长时用及物动词形式。根据句意及时态可知正确