Although it was my first day in 8th grade, Mom and Dad decided it was more important to take my brother infantile Irving to school before I complain they chastised me for getting upset.
A. !
"What an exciting trip!"
The speaker shows enthusiasm when saying this and exclaims it.
Yes.
An abstract noun is a noun which denotes a quality, idea, or state of being and not a physical object.
This means that "knowledge" is an abstract noun.