Final answer:
The defense mechanism illustrated in the scenario is denial, wherein the mother does not recognize her own behavior that contributes to the emotional distance with her husband. Correct option is C.
Step-by-step explanation:
In the scenario provided, where the mother accuses her husband of not wanting to spend time with her, but is herself pushing him away, the correct defense mechanism being illustrated is denial.
Denial is a psychological defense mechanism where a person refuses to acknowledge their own unconscious feelings and instead sees those feelings in someone else, or refuses to accept a painful or inconvenient truth. In the example given, the mother is in denial about her own actions and how they contribute to the emotional distance in her relationship.