Context: In a group of fruit flies, some individuals have red eyes and others have brown eyes. In this group, the gene for the eye color trait has two alleles. The allele for red eyes (E) is dominant over the allele for brown eyes (e).
This Punnett square shows a cross between two fruit flies.
What is the probability that a fruit fly produced by this cross will have red eyes?
A. 4/4
B. 0/4
C. 2/4
D. 1/4
E. 3/4
Identify the correct option from the choices provided and respond with the letter of the correct option.

A