He's nervous about facing the Christmas Celebration since he's been known as a scrooge for such a long time!
The answer is either the first or last one all X intercepts have a Y of zero, you did not give enough information to determine if it is negative or positive for the X value but if the X intercept is on the left side of the Y axis that means that it is the first answer if it is on the right side it is the last answer.
Answer:
The big dog ferociously barked at the cat trembling with fear
First, you find the simple subject and simple predicate.
If the '-ing' form of the verb is not part of the simple predicate, then determine how it is used in the sentence. If it's in a noun position, then it's a gerund. If it is used as an adjective, then it will be a participle.