(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D
(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D
