Multiple choice cobol

Which one is incorrect in the following??

  1. If A is greater than B go to Para-A

  2. If C is not positive go to Para-C

  3. If D is not alphanumeric go to Para-D

  4. If E = 3 or 4 go to Para-valid

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In COBOL, 'alphanumeric' is not a valid condition by itself. The correct syntax would be 'IF D IS NOT ALPHABETIC' or use class checks like 'NOT NUMERIC'. Options A, B, and D show valid COBOL conditional syntax patterns.