单选题：Which expression can express " a≥10 or a≤0 " ？

Which expression can express " a≥10 or a≤0 " ？
@[D](1)

A. a>=10 or a<=0
B. a>=0 | a<=10
C. a>=10 && a<=0
D. a>=10 || a<=0




A.a>=10 or a<=0
B.a>=0 | a<=10
C.a>=10 && a<=0
D.a>=10 || a<=0


答案：D