When Bobby Joe tried to open his PowerPoint presentation, he discovered that the computer did not have Microsoft PowerPoint and, therefore, could not open his file. As a result, Bobby Joe had to deliver his speech without his visual aid. His professor talked to him after class and said, $$See$,$ Bobby Joe, I told you to always $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

Group of answer choices

Have a valid excuse

Have a backup plan

Depend on verbal delivery alone

Have note cards