Refer to the exhibit to answer the question.

What is the BEST set of use cases for Scenario 1?

A.
Add Course to Schedule, Check Schedule for Conflicts, Generate Conflict Alternatives,
Authorize Credit Card Payment

B.
Add Course to Schedule, Check Schedule for Conflicts, Generate Conflict Alternatives, Submit
Schedule for Registration

C.
Search Course Catalog, Add Course to Schedule, Check Schedule for Conflicts, Submit
Schedule for Registration

D.
Search Course Catalog, Check Schedule for Conflicts, Submit Schedule for Registration,
Authorize Credit Card Payment