A is twice as good workman as B, and together they complete a work in 15 days. In how many days can the work be complete by B alone? Choose the correct option:
A) 35 days
B) 65 days
C) 45 days
D) 75 days
E) 95 days
45 days   45 days
<result>C</result>
A is twice as good workman as B, and together they complete a work in 15 days. In how many days can the work be complete by B alone?