Which statement is true about the C_OUTPUT PL/SQL program?

You have an external C procedure stored in a dynamic-link library (DLL).
The C procedure takes an integer as argument and returns an integer. You want to invoke the C
procedure through a PL/SQL program.

View the Exhibit.
Which statement is true about the C_OUTPUT PL/SQL program?

A.
It invokes the external C procedure.

B.
It only publishes the external C procedure.

C.
It fails because the external C procedure is not published.

D.
It fails because the input data type is BINARY_INTEGER and the external C procedure
expects an integer.