1 man, 3 women, and 4 children do a work in 96 hours while 2 men and 8 children can complete the same work in 80 hours. And 2 men and 3 women can complete the same work in 120 hours. Find how many times will 10 men, 5 women complete the work.
A. 34 hours
B. 42 hours
C. 12 hours
D. 36 hours