As the complete list of options is not given with the question, it is as below
because he prefers to stay home and listen to his sister play the violin
because he has to stay away from his family, which is painful to him
because he is an artist at heart but has to work as a salesman
because he has to travel a lot and undertake mundane tasks
Out of these
option 1 is not correct as it is not a reason to dislike the job
option 2 is not correct as the family is not a direct relation to disliking the job
option 3 is not correct as there is a relation regarding the logical reason to dislike job however there is no indication in the passage regarding the liking of the protagonist as an artist.
Option 4 is the correct option as there is indication in the article that the protagonist had to travel a lot as a salesman and undertake mundane rudimentary tasks through out the course of his life.
