Answer: Sentence 4
Explanation:
The sentence that clarifies meaning of
<em>They brought home a baby sister for their son named Julia</em> is :<em>They brought home a baby named Julia, who was the sister of her brother.
</em>
The sentence is a bit confusing because the reduced relative or adjectival clause, named Julia, is separated from its anticident, sister ,by the prepositional phrase, for their son.
I think that the answer is D
Your answer would be:
US citizens are required to (options not shown). (Voting) is a privilege that only US citizens can exercise, but it is not required.
hope this helps :)
The pronoun <em>what </em>is used as an interrogative pronoun. These pronouns are used to ask questions usually.