Answer:
A. From 9 a.m. to noon is three hours, but the nurse has not returned.
Explanation:
He talks of how she is lame for promising to return in a half hour. But is far later.
The writing style goes from 3rd person to 1st person
When the narrator referred to 'no man' it is in third person POV, then he refers to 'my work' which is in first person POV.
d
