Which sentence exemplifies the logical fallacy "authority"? Don't ask my friend to help you plan for the party; she has terrible taste in music. If we don't elect Mrs. Smith to the senate, we will definitely see a rise in taxes. My dentist doesn't believe in taking vitamins, so I don't take them either. We never had any crime until Mr. Jones was elected to office, so it's definitely his fault.

My dentist doesn't believe in taking vitamins, so I don't take them either.

Explanation:

The logical fallacy authority occurs when one uses the testimony of a particular person who is in the position of an authority even though the person in question isn't an expert in that particular field.

The sentence that exemplifies the logical fallacy "authority" is "My dentist doesn't believe in taking vitamins, so I don't take them either".

In this case, a dentist is an expert with the teeth and not an expert in the field with regards to the question. Therefore, this is a logical fallacy authority.

a is the indefinite article

the answer is definitely the first answer: lizabeth is older now and realizes that she may not have made the best decisions.