判断char类型变量ch是否为大写字母的正确表达式是()。
A.‘A’<=ch<=‘z’<br>
B.(ch>=“A”)&&(ch<=“z”)<br>
C.(ch>=‘A’)&&(ch<=‘z’)<br>
D.(ch>=‘A’)AND(ch<=‘z’)<br>
A.‘A’<=ch<=‘z’<br>
B.(ch>=“A”)&&(ch<=“z”)<br>
C.(ch>=‘A’)&&(ch<=‘z’)<br>
D.(ch>=‘A’)AND(ch<=‘z’)<br>
A、ˊAˊ <=ch<= ˊzˊ> B、( ˊAˊ <=ch) and ( ˊzˊ>=ch)
C、(ch>= ˊAˊ )&(ch<= ˊzˊ )> D、(ch>= ˊAˊ )&&(ch<= ˊzˊ )>
A.′A′<=cl<=′Z′
B.(cl>=A)&&(cl<=Z)
C.(′A′>=cl)||(′Z′<=cl)
D.(cl>=′A′)&&(cl<=′Z′)
(A)'A'<=ch<='Z' (B)(ch>='A')&fch<='Z')
(C)(ch>='A')&&(ch<='Z') (D)('A'<=ch)AND('Z'>=ch)
A.'A'<=cl<='Z'
B.(cl>=A)&&(cl<=Z)
C.('A'>=cl)||('Z'<=cl)
D.(cl>='A')&&(cl<='Z')
A、'a'<=cl<='z'<br> B、(cl>=a)&&(cl<=z)<br> C、('a'>=cl)||('z'<=cl)<br> D、(cl>='a')&&(cl<='z')<br>
A.'A'<=c1<='Z'
B.(c1>=A)&&(c1<=Z)
C.('A'>=c1)‖('Z'<=c1)
D.(c1>='A')&&(c1<='Z')
A.'A'<=c1<='Z'
B.(c1>=A)&&(c1<=Z)
C.('A'>=c1)||('Z'<=c1)
D.(c1>='A')&&(c1<='Z')
A.kk>='A'&&kk<='Z'
B.!(kk>='A'||kk<="Z")
C.(kk+32)>='a'&&(kk+32)<='Z'
D.isalpha(kk)&&(kk<91)
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