フリー問題

問題文

A caller invokes a procedure that reports a tally through a parameter marked OUT, and the caller wants to read that tally afterwards. What must the caller put in that position?

選択肢

1. The caller must put a hastily built holder in that position of the invocation.
2. The caller must put a direct literal figure in that position of the invocation.
3. The caller must put a computed inline product in that position of the invocation.
4. The caller must put a private user container in that position of the invocation.