An Activity Diagram for Modeling the Actions Involved in Executing

An activity diagram for modeling the actions involved in executing a balance inquiry transaction using the BalanceInquiry object should not include:

A) Receiving the user's main menu input selecting a balance inquiry transaction.
B) Retrieving the user's balance information from the database of accounts.
C) Displaying the user's balance information on the screen.
D) All of the above actions should be modeled in this activity diagram.