Answer:
Projection.
Step-by-step explanation:
Defense mechanism in psychology may be defined as that helps in the reduction of anxiety and a type of unconsciousness mechanism. The defense mechanism can be useful or harmful as well.
Projection defense mechanism in which the individual itself from its ego against both the positive and negative qualities. Preston tries to defend himself from its own weakness and flaws, clearly indicates the mechanism of the projection defense.
Thus, the correct answer is option (4).