Q27:???
In a certain sequence of 8 numbers, each number after the first is 1 more than the previous number. If the first number is –5, how many of the numbers in the sequence are positive? A. None B. One C. Two
D. Three E. Four 搜索了半天没有人问,唉,我的水平真是菜,请问这题什么意思啊? | 
