What Is the Best Way to Share Functions Across More

Multiple Choice

What is the best way to share functions across more than one project?

A) Create the functions in one project, then copy and paste them into other projects that need them.
B) Place the code for the functions in a module and add that module to each project.
C) Place the code for the functions in the startup form of each project.
D) Place the code inside a main procedure with a public access specifier for each function.