Answer:
The correct option is D) social
Step-by-step explanation:
When an external factor is being applied for a person to stop the person from completing his/her goal, then such a restriction is known as a social barrier. In the scenario discussed in the question, Raj knows the circumstances of smoking and hence does not want to smoke. Raj's friends are the external factors who are forcing him to smoke. Hence, this is an example of a social barrier being used for a person to stop or manipulate him from achieving his goal