Based on the Information Below, Answer the Following Question(s), Assuming

Based on the information below, answer the following question(s) , assuming complete dominance.
"In humans, the ability to roll the tongue is a dominant trait; the inability to roll the tongue is a recessive trait."
-If two individuals homozygous dominant for this trait have a child, what is the chance that the child will not be able to roll his tongue?

A) 0%
B) 25%
C) 50%
D) 75%
E) 100%