According to Allport,secondary traits

A) are minor preferences, such as preferring a particular type of food.
B) are so minor that a close friend would not notice them.
C) are much less consistent than other traits.
D) all of the answers

Secondary Traits

Personality traits that are less consistent and more dependent on the situation, influencing behavior in specific contexts rather than across all situations.

Preferences

Individual inclinations or choices between alternatives, often reflecting personal tastes, values, or desires.