Concept:The idiom “flew into a rage” means a sudden loss of temper.
Explanation:The phrase “flew into” suggests a quick and sudden movement or change.
A “rage” is a state of intense anger.
Together, the expression means the person became very angry in an instant.
So after the truth was revealed, Ngozi did not run away, become sad, or become desperate.
The most suitable interpretation is that she suddenly became very angry.
Answer:Ngozi suddenly became very angry. (Option D)