This is best summarized by the third statement. Although the first statement originally looks like the correct answer, if you pay attention to his wording, he says that they will not reconcile while they are fighting, and that their work will become undone by quarrels. The third statement is the most correct.
A. Somewhat.
This is a modifier that doesn't really affect the sentence.
Answer:
1,2,5,6
Explanation:
Those sentences that I listed above have both a noun and verb in it. Sentences 3 and 4 do not have a verb therefore they are not complete sentences.
The answer is B. to record. "To" is always a part of an infinitive.
I hope that helps!