A gardener planted different types of pumpkin seeds in several places in her yard. At the end of the growing season, she had some pumpkins that were small and some that were giant. Which factor could not have affected the size of the pumpkins? Choose the correct answer. *

A. The pumpkin seeds were all planted on the same day.
B. The pumpkin seeds were planted in different locations.
C. The pumpkin seeds came from pumpkins with different genes.