Im pretty sure its Mogbuemo and Kabati.
In an adversarial system (common law), as in effect in the U.S. and England, the judge functions as an impartial referee, mainly ensuring correct procedure, while the prosecution and the defense present their case to a jury, often selected from common citizens.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>uh</em>
Out of all the pronouns, "whom" makes the most sense grammatically. This allows us to narrow it down to A or D.
In order for it to be the object of a preposition, there would have to be a preposition in front of it. "For," however is <em>not</em> a preposition. In fact, there isn't a preposition in the whole question.
This leaves us with option D, which is the correct answer.
You can better tell it's a direct object if you flip the sentence around a bit.
Your sister is waiting <em>for whom</em>?
"Whom" is essentially receiving the action. "Whom" is what your sister is waiting for.
Answer: D. whom; direct object.
I think a. use of verb tenses
"think"