Rachel has been asked to contribute a brief video describing her summer as an engineering intern with the city's power company for her high school career counseling center. She was recently the featured subject of an article in the local newspaper about her participation in the Student Assistance for Education program (SAFE) and plans to use some of the information from the article in her video's script.

Read this draft revision of paragraph 4 that Rachel plans to use for her video script and answer the question:

"Having Ms. Gladstone as a mentor was great! She was very helpful and answered all my questions which increased my confidence in completing the tasks that she assigned to me."

How does the revision best clarify the value Rachel placed on her mentor?

A. It replaces a phrase that included contradictory words.
B. It replaces words that suggest an unpleasant tone.
C. It provides an example to support an opinion.
D. It clarifies a statement by avoiding redundancy.