Some question: Which of the following numbers is divisible by each one of 3, 7, 9 and 11?
Options:
(A) 639
(B) 2079
(C) 3791
(D) 37911
(E) None of these
Some stream of consciousness:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
639 is not divisible by 7;
2079 is divisible by each one of 3, 7, 9, 11. The answer: (B).