They are considering ______ before the Christmas.
A. of buying the laptop
B. with buying the laptop
C. buying the laptop
D. to buy the laptop
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I had remembered ___the window, the thief would not have got in.
A. to close
B. closing
C. to have closed
D. having closed
People appreciate __with her because she is such a nice girl.
A. to work
B. to have worked
C. working
D. having worked
It was not a good decision to postpone ____the railway station.
A. to build
B. to have built
C. building
D. having built
以下说法不正确的是（ ）
A. 数据项是不可分割的最小标识单位
B. 数据项可由若干数据元素构成
C. 数据可由若干个数据元素组成
D. 数据元素是数据的基本单位
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