下列选项中,可以用于判断c中保存的字符是否是英文字母的表达式是()。
A.c>='a' and c<='z'<br>
B.c>='A' and c<='z'<br>
C.c>='a' and c<='z' and c>='A' and c<='z'<br>
D.c>='a' and c<='z' or c>='A' and c<='z'<br>
- · 有4位网友选择 C,占比40%
- · 有3位网友选择 B,占比30%
- · 有3位网友选择 A,占比30%
A.c>='a' and c<='z'<br>
B.c>='A' and c<='z'<br>
C.c>='a' and c<='z' and c>='A' and c<='z'<br>
D.c>='a' and c<='z' or c>='A' and c<='z'<br>
B.c>=’A’ || c<=’Z’
C.c>=”A” && c<=”Z”
D.c>=’A’ && c <= ‘Z’
B.ch>=’A’ ﹠﹠ ch<=’Z’
C.ch>’a’ ﹠﹠ ch<=’z’
D.ch>=’A’ || ch<=’Z’
B. 'a'<=c&&c<='z 'II 'A'<=c&&c<= 'z'
C. 'a'<=c<='z'll 'A'<=c<= 'Z'
D. ('a'<=cllc<'z') && ('A'<=c||c<= 'Z ')
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