问题如下图：
选项：
A. 一个学生拥有的书本数不也能是不可数的，为什么不选A？
B. 
C. 
解释：
NO.PZ2015120604000080 问题如下 Whiof the following statments about ranm variable is least likely correct? A.The number of books a stunt owns is a screte ranm variable. B.The temperature of Shanghis a screte ranm variable. C.The number of sunny ys next yein Shanghis a screte ranm variable. B is correct.screte ranm variables is the number of possible outcomes ccountetemperature is continuous ancannot counte therefore it is not a screte ranm variable. sunny ys next ye一定是小于等于365的 为什么还是ranm呢？
没有搞懂B和C？
