AA and Aa Make Red Flowers,and Aa Makes White Flowers

Multiple Choice

AA and Aa make red flowers,and aa makes white flowers.BB and Bb make tall plants,and bb makes short plants.What would be the expected ratios of phenotypes among the offspring of the cross of AaBb x aaBb? Note the genotypes in the cross carefully.Assume independent assortment of each gene.

A) 9 (red & tall) : 3 (red & short) : 3 (white & tall) : 1 (white & short)
B) 3 (red & tall) : 1 (white & tall)
C) 3 (red & tall) : 1 (red & short) : 3 (white & tall) : 1 (white & short)
D) all (red & tall)
E) 1 (red & tall) : 1 (red & short) : 1 (white & tall) : 1 (white & short)