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能正确表示ch为大写英文字母的C语言表达式是_______。
A
‘A’<=ch<=‘Z’
B
‘A’ =<ch=< ‘Z’
C
ch>=‘A’ || ch<=‘Z’
D
ch>=‘A’ && ch<=‘Z’
A
‘A’<=ch<=‘Z’
B
‘A’ =<ch=< ‘Z’
C
ch>=‘A’ || ch<=‘Z’
D
ch>=‘A’ && ch<=‘Z’
参考答案