# include & ltstdio.h & gt
# include & ltstring.h & gt
intMENU_Print(ints32QuerNum)
{
Switch (s32QuerNum)
{
Case 1:
Printf(\ "The theme you selected is as follows: \");
Printf(\" 1, the following can correctly represent the identifier: () \ ");
printf(\"A、Data、Double \ ")；
printf(\"B、case、Big \ ")；
printf(\"C、20 1 1A，hi _ ok \ ")；
Printf(\"D, _20 1 1, date of year \ ");
Break;
Case 2:
Printf(\ "The theme you selected is as follows: \");
Printf(\"2, the following operators have the lowest priority: () \ ");
printf(\"A，:\");
printf(\"B、++ \ ")；
printf(\"C 、& amp& amp\");
printf(\"D 、+ = \ ")；
Break;
Case 3:
Printf(\ "The theme you selected is as follows: \");
Printf(\"2。 The following options cannot be assigned correctly: () \ ");
printf(\"A、chars[20]； s = \ " ABCDE \ " \ ")；
printf(\"B、chars[]= \ " ABCDE \ " \ ")；
printf(\"C、chars[20]= { \ " ABCDE \ " } \ ")；
printf(\"D、chars[20]={'A '，' B '，' C ' } \ ")；
Break;
Default value:
Break;
}
return0
}
intmain()
{
int s32 choose num = 0；
while( 1)
{
Printf(\ "The question number range is 1-3, please enter the question number: \");
scanf(\"%d