D would be the best answer because both are dominant witch means that neither will be canceled out. Witch means that that the flowers will all be pink. Here is an example. Say that your painting and you want a pink flower but you don't have pink paint. So you chose to mix colors. And when you mixed red paint with white paint. Then you will get the color pink. this explanation and example shows that the correct answer would be D.
Please mark brainiest if this helped.
