单选题
判断char型变量s是否为小写字母的正确表达式是
A.
’a’ <= s<=’z'
B.
(s>='a’) ＆ (s<=’z’)
C.
(s>=’a') ＆& (s<=’z’)
D.
(’a'<=s) and (’z’>=s)
判断char型变量s是否为小写字母的正确表达式是
’a’ <= s<=’z'
(s>='a’) ＆ (s<=’z’)
(s>=’a') ＆& (s<=’z’)
(’a'<=s) and (’z’>=s)
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