An A/a; B/b dihybrid is testcrossed, and about ¾ of the progeny phenotypically resembles the dihybrid parent, while ¼ resembles the tester parent. If the dihybrid parent was selfed, what would be the expected phenotypic ratio in the progeny?

a. 9:3:4
b.12:3:1
c. 9:3:3:1
d. 9:7
f. 15:1
e.13:3