题目

 Kate is very ___ in history because she thinks it is very _____. A.  interested, interested            B. interested, interesting C. interesting, interesting          D. interesting, interested 答案：B如果从0，﹣1，2，3四个数中任取一个数记作m，又从0，1，﹣2三个数中任取的一个记作n，那么点P（m，n）恰在第四象限的概率为 ．