The correct answer should be
<span>to lend credibility and additional support to their conclusion
Quoting famous books is usually done to support what you're saying, it's not about proving things or demonstrating it, it's rather to help make your hypothesis seem more legitimate. Highlighting your knowledge is not necessary and sounds a bit arrogant. </span>
Consuming too much sugar over time can lead to diabetes and cardiovascular disease.
Can u elaborate know one know what you are talking about , please be more specific
B) his sons, malcolm and donalbain