问题描述：
—What do you think of the price of these computers?
—They are at least equal in price to,if not cheaper than,
_____ at the other companies.
A.it B.ones
C.that D.the ones
然后讲一下为什么选那个答案.
—They are at least equal in price to,if not cheaper than,
_____ at the other companies.
A.it B.ones
C.that D.the ones
然后讲一下为什么选那个答案.
问题解答：
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