Answer:
unknown
Explanation:
There's no options here to choose from, but a passive voice would sound something like: "A civilian was hit by driver on the street."
The receiver of the action at the beginning of the sentence, action done in the middle, and doer of action at the end.
Since nothing is underlined, I am going to make an educated guess that the underlines clause is "who had worked with the business person". If that is the case, the correct answer would be D - adjective clause. It is a relative clause, to be more precise, because it starts with a relative pronoun "who", but that is a part of adjectival clauses, so that is the correct answer.
If you're asking for main idea, the main idea or thesis statement sentence is sentence 1, where they explain what the passage is about.
Answer: I knew the answer but I don’t remember it
Explanation: