Quadrilaterals

D and E are the mid-points of the sides AB and AC respectively of ∆ABC. DE is
produced to F. To prove that CF is equal and parallel to DA, we need an additional
information which is
(A) ∠DAE = ∠EFC
(B) AE = EF
(C) DE = EF
(D) ∠ADE = ∠ECF.