D
Explanation:
b/c it makes sense and I guess it also sounds better
To disturb or confuse; make uneasy or anxious
It's based on a boy the author saw during her day out with her child
Someone accidentally left B. His or her back back on that park bench. You are referring to a person.
Answer:
C, because getting familiar with the audience, or mock audience, leads to you not being nervous to talk.