How Is Codominant Inheritance Different from Incomplete Dominant Inheritance

How is codominant inheritance different from incomplete dominant inheritance?

A) In codominance,one gene is recessive to two dominant genes;in incomplete dominance,all genes are recessive.
B) In codominance,all genes are recessive;in incomplete dominance,one gene is recessive to two dominant genes.
C) In codominance,two alleles are expressed equally;in incomplete dominance,there is only one allele in the system.
D) In codominance,two alleles are expressed equally;in incomplete dominance,heterozygotes have an intermediate phenotype.
E) In codominance,the two alleles cooperate to make an intermediate phenotype;in incomplete dominance,the heterozygote shows the recessive phenotype.