Read the following context and choose the best option to answer the question.
Context: The heavy - handed manly woman who was my dentist has left and now I ' m in the hands of a very pleasant 26 year - old boy who has a much gentler touch . I ' m not sure what he must make of me though . After having half my face numbed he invited me to " please rinse " . I followed his instructions and then spat all the mouthwash over the floor - I had no control over my mouth at all .
Question: Why would the narrator prefer the younger dentist over the more experienced one ?
Options: 
A. None of the above choices .
B. The younger one is more experienced .
C. The younger one is stronger .
D. The younger one is more gentle .


D