Which is a method of reuse that is possible with a PL/SQL program unit, but not possible with a Forms trigger?

Which is a method of reuse that is possible with a PL/SQL program unit, but not possible with a Forms trigger?

A.
Copy and paste text.

B.
Create a library module.

C.
Move to an object library.

D.
Copy and paste within a module.

E.
Copy to or subclass from another module.