Answer: (A) Role strain
Explanation:
The role strain is one of the sociology situation that typically occur when the individual person experience stress due to the given responsibilities and also high expectations.
In the role strain situation, sometimes the person feels both role overloaded and conflict due to inability to meet the desirable goals and expectations.
According to the given question, Mary works in an organization as a full time employee and she trying to balancing the new duties or responsibility and then due to this situation the role strain is occur.
Therefore, Option (A) is correct answer.