If Genome Size Varies,with Humans at 2900 Mb,a Specific Member

If genome size varies,with humans at 2900 Mb,a specific member of the lily family at 120 000 Mb,and a yeast at 13 Mb,what does this tell us?

A) Size matters less than gene density.
B) Size does not compare to gene density.
C) Size is not correlated with the organism's phenotype.
D) Size is mostly due to "junk" DNA.
E) Size is comparable only within phyla.