Suppose That in Plants, Smooth Seeds (S)is Dominant to Wrinkled

Suppose that in plants, smooth seeds (S) is dominant to wrinkled seeds (s) , and tall plants (T) is dominant to short plants (t) .An F₁ plant from a mating between homozygous plants that were tall/smooth and short/wrinkled was crossed to the short/wrinkled parent.What proportion of the progeny is homozygous for short and wrinkled alleles?

A) 1/2
B) 1/4
C) 1/8
D) 1/16
E) 0