Answer:
A. "I clean my teeth gently several times per day."
Explanation:
Oropharyngeal infections is a kind of throat infection caused by some bacteria. It is quite painful and causes a kind of soar throat.
When an oncology clinic nurse is providing several prevention measures to her clients for oropharyngeal infections where she explains the proper hygiene of the mouth and advises to brush and clean the teeth frequently so that the mouth is free from germs.
Her patients follows her advice and keeps her mouth and teeth clean and healthy and regularly brushes her teeth. By this when her patients follow her instructions her teachings are considered to be successful.
Thus, the answer is A. "I clean my teeth gently several times per day."
