Refer to the exhibits to answer the question.

If a use case named “Add Course to Schedule” needs to be added to the supplied use case
diagram, to which of the following existing use cases should it be related and what type of
relationship should be selected?

A.
Register for Courses includes Add Course to Schedule.

B.
Build Course Schedule includes Add Course to Schedule.

C.
Add Course to Schedule extends Build Course Schedule.

D.
Add Course to Schedule extends Register for Courses.