问题
选择题
In the past two years, the number of campus bookstores offering rentals _____ from a few dozen to
1,500.[ ]
A. jumped
B. had jumped
C. is jumping
D. has jumped
答案
答案：D
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In the past two years, the number of campus bookstores offering rentals _____ from a few dozen to
1,500.[ ]
A. jumped
B. had jumped
C. is jumping
D. has jumped
答案：D