In VS COBOL, as well as in COBOL II, the period is an imp...

A

For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you don't need to use the period;

B

For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you need to use the period;

C

For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you have not to use the period;

D

For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you shouldn't use the period;