输入一个字符,判断该字符是数字、字母、空格还是其它字符。请选择正确的答案填空 ( )。 #include void main( ) { char c ; c = getchar( ); if(____________________________) printf("It is an ENGLISH character.\n"); else if('0' <= c && c <= '9') printf("It is a DIGITAL character.\n"); else if(c == 32) printf("It is a SPACE character.\n"); else printf("It is other character.\n"); } 当输入为abc*&%ABC#!$时,运行结果是( )。 A、('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z') B、'A' <= c && c <= 'Z' C、'a' <= c && c <= 'z' D、'A' <= c && c <= 'z'