A jury must make a unanimous decision regarding a person's guilt or innocence. This means they all must agree. Unanimity is another form of the word unanimous.
Extravagant is the best answer for the second sentence. Sara's need to earn more money shows that she is spending a lot of money on clothes. She would only do this if she had extravagant taste. Extravagant contains the word "extra" which shows that extravagant means something that is more or above what is typical.
The answer is B.) its. "The committee" is a singular subject, which means its pronoun must also be singular. The pronoun "it's" can be written as "it is", which does not fit in this case. So, the answer is "its".
