The question serves the interview's purpose:
B). How did you become interested in this subject?
Interview
The question regarding the way of development of interest in the subject helps serve the interview's purpose.
An interview's primary purpose is to determine the motivation that has driven the personality to achieve the position and status.
The above-mentioned question will help serve the purpose and make the readers understand this and take it as the inspiration.
Thus, option B is the correct answer.
Learn more about "Interview" here:
brainly.com/question/15182595
