(单选题, ) s = "the sky is blue",表达式 print(s[-4:], s[:-4]) 的结果是( )

(单选题, ) s = "the sky is blue",表达式 print(s[-4:], s[:-4]) 的结果是( )

A.the sky is blue

B.blue is sky the

C.sky is blue the

D.blue the sky is

正确答案是D