To understand this question, the user needs to know about CALL statements in programming. CALL statements are used to call other programs or functions within a program.
Now, let's go through each option and explain why it is right or wrong:
A. CALL FUNCTION: This is a valid statement in programming. It is used to call a specific function within a program.
B. CALL SCREEN: This is also a valid statement in programming. It is used to call a specific screen within a program.
C. CALL TRANSACTION: This is a valid statement in programming. It is used to call a specific transaction within a program.
D. CALL PROGRAM: This is NOT a valid statement in programming. The correct statement is CALL FUNCTION, which is used to call a specific function within a program.
Therefore, the answer is: D