Freud Conceived of the Concept of Neurotic Anxiety

Freud conceived of the concept of neurotic anxiety. Which statement is the most accurate with regard to this sort of anxiety?

A) It is experienced when id impulses are dangerously close to breaking into consciousness.
B) It prevents the ego from utilizing defense mechanisms that are urgently needed.
C) It is created when id impulses violate society's moral code and the ego cannot counteract these urges.
D) People experiencing neurotic anxiety usually are aware of what is making them anxious.