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.
Answers
A tiny beautiful flower that is red.
I hope this helps
<span>Because Josiah has a test tomorrow, he studied his science chapter.
"Because" demonstrates a cause-and-effect relationship which is what needs to be seen from the two sentences. One studies for a test before the test day. </span>
