Which of the Following Statements About Eukaryotic Genomes Is TRUE

Which of the following statements about eukaryotic genomes is TRUE?

A) A substantial part of the genomes of most multicellular organisms consists of protein coding sequences.
B) People differ not only at millions of individual SNPs but also in the number of copies of many larger segments of the genome.
C) In humans, the number of proteins is approximately equal to the total number of genes.
D) There is a directly proportional relationship between the size of a eukaryotic organism and the number of genes it has.
E) The number of genes among multicellular eukaryotes is related to phenotypic complexity.