ABCD is a parallelogram. E is a point on BC such that BE : EC = m:n. If AE and DB intersect in F, then what is the ratio of the area of triangle FEB to the area of triangle AFD?

Options

A. `m/n`
B. `(m/n)^(2)`
C. `(n/m)^(2)`
D. `[m/(m+ n ) ] ^(2)`