题目

The students in this school are all but Jane is of all. A . poor; poor B . the poorest; poor C . the poorest; the poorest D . poor; the poorest 答案：D  平面上有五个点，其中只有三点共线。经过这些点可以作直线的条数是（     ）       A．6条            B.8条            C.10条          D.12条