GwD11-25&11-32

GWD11-25:What is the sum of a certain pair of consevutive odd integers?

(1) at least one of the integers is negative.

(2) at least one of the integers is positive.

答案是C,我选的E,为什么是C呢？题目是什么意思啊

GWD11-32:if x³y⁴=5000, is y=5?

(1) y is a positive integer.

(2) x is an integer.

答案是C，我选的D,怎么做啊这道题