判断x是否英文字母的C语言表达式为()。选择一项:
A、('A'<=x)&(x<='Z')|('a'<=x)&(x<='z');
B、('A'<=x)||(x<='Z')&&('a'<=x)||(x<='z');
C、('A'<=x)&&(x<='Z')||('a'<=x)&&(x<='z');
D、('A'<=x)|(x<='Z')&('a'<=x)&(x<='z')
发布时间:2025-09-24 17:09:16
A、('A'<=x)&(x<='Z')|('a'<=x)&(x<='z');
B、('A'<=x)||(x<='Z')&&('a'<=x)||(x<='z');
C、('A'<=x)&&(x<='Z')||('a'<=x)&&(x<='z');
D、('A'<=x)|(x<='Z')&('a'<=x)&(x<='z')