If m: Rimi likes calculus. n: Rimi opts for engineering branch. Then the verbal form of m → n is
(A) If Rimi opts for engineering branch then she likes calculus.
(B) If Rimi likes calculus then she does not opt for engineering branch.
(C) If Rimi likes calculus then she opts for engineering branch
(D) If Rimi likes engineering branch then she opts for calculus.