判断char型变量c1是否为小写字母的正确表达式为-X题卡

A．’a’＜=c＜=’z’ B．(c＞= &&(c＜=z) C．(’a’＞=c) (’z’＜=c) D．(c＞=’a’)&&(c＜=’z’)

’a’＜=c1＜=’z’ (c1＞=a)＆＆(c1＜=z) (’a’＞=c1‖(’z’＜=c1) (c1＞=’a’)＆＆(c1＜=’z’)

'a'＜＝c'＝'z' (c＞＝A)&& ('a')＝c) ('z'＜＝c) (c＞＝'a')&&(c＜＝'z')

'a'＜＝c1＜＝'Z' (c1＞＝A) ‖c1＜＝z) ('a'＝＞c1‖("z"＜＝c1) (c1＞＝'a')&&(c1＜＝'z')

'a'＜=c 1＜='z' (c1＞= (c1＜= ('a'=＞c1 ('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a'＜=c1＜='z' (c1＞=‖c1＜= ('a'=＞c1‖('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a' ＜ =c ＜ ='z' (c ＞ =A) &&(c ＜ =z= ('a' ＞ =c) ('z' ＜ =c) (c ＞ ='a')&&(c ＜ ='z')

'a'＜=c1＜='z' (c1＞=A) ‖(c1＜=z) ('a'=＞c1‖('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a'＜＝c'＝'z' (c＞＝&&(c＜＝ ('a')＝ ('z'＜＝ (c＞＝'a')&&(c＜＝'z')

'a'＜=c＜='z' (c＞=A)＆＆ ('a'＞=c) ('z'＜=c) (c＞='a')＆＆(c＜='z')

'a'＜=c＜='2' (c＞=Ａ) &&(c＜= ('a'＞= ('z'＜= (c＞='a')&&(c＜='z')

’a’＜=c＜=‘z’ (c＞=A)&& (‘a’＞=c) (‘2’＜=c) (c＞=‘a’)&&(c＜=‘z’)

’a’<=c1<=’z’ （c1>=&&（c1<=’z’）（’a’>=c1）（’z’<=c1）（c1>=’a’）&&（c1<=’z’）

'a'＜=c＜='2' (c＞=Ａ) &&(c＜=z) ('a'＞=c) ('z'＜=c) (c＞='a')&&(c＜='z')

'a'＜=c1＜='z' (c1＞=a)‖c1＜=z) ('a'=＞c1‖('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a'＜=c1＜='z' (c1＞=a)&&(c1＜=z) ('a'＞=c1 ('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a'＜=c 1＜='z' (c1＞=a) (c1＜=z) ('a'=＞c1 ('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a'＜＝c＜＝'z' (c＞＝A) && ('a'＞＝c) ('z'＜＝c) (c＞＝'a') &&＜c＜＝'z')

'a'＜=c1＜='z' (c1＞=A) ('a'=＞c1‖('z'＜=c1) (c1＞='a')&&(c1＜='z')

'a'＜=c 1＜='z' (c1＞=a) (c1＜=z) ('a'=＞c1 ('z'＜=c1) (c1＞='a')&&(c1＜='z')

判断char型变量c1是否为小写字母的正确表达式为( )。