Its b the answers tell m if it’s right
The sentence “Abstain from all appearance of evil” is an imperative statement. These types of sentences usually do not have a subject and their structures consist mainly on the bare verb alone. The main purpose of an imperative statement is to give commands. So, in this sentence, there is no subject and it is commanding somebody to abstain from doing something.
Based on the given excerpt above which is taken from "To Kill a Mocking Bird", it shows the Scout is evoking the shooting of the rabid dog. This is the scene about the Mad Dog. The answer would be the third option. Hope this answer helps.
There is no underlined word.
Sally is a Direct Object
Best is a predicate adjective
Is is a predicate nominative