The best advice to help her manage these thoughts is: B. Try to have at least five positive thoughts for each negative one.
What is a Thought?
Thought refers to the reflections that go through a person's mind. For Martina who is preparing for a speech, she can be advised to curb the number of negative things that go through her mind.
She should welcome more positive thoughts than negative thoughts.
Learn more about public speaking here:
https://brainly.com/question/6323777
