In Tomatoes,red (R)is Dominant to Yellow (R),tall (D)is Dominant to Dwarf

Multiple Choice

In tomatoes,red (R) is dominant to yellow (r) ,tall (D) is dominant to dwarf (d) ,and smooth (H) is dominant to hairy (h) .How many possible different phenotypes are there in relationship to these three characteristics?  

A) 6
B) 8
C) 9
D) 16
E) 27