Based on the Information Below, Answer the Following Two Questions

Multiple Choice

Based on the information below, answer the following two questions.
"The color of the four-o'clock flower is as follows:
homozygous dominant-red
homozygous recessive-white"
-If flower color of the offspring was 25% white and 75% red, and was inherited by complete dominance, the parents' genotypes must be

A) all red
B) one homozygous dominant, the other heterozygous
C) both heterozygous
D) one homozygous recessive, the other heterozygous
E) both homozygous dominant