Complexes Containing Metals with D⁰ electron Configurations Are Typically Colorless

Multiple Choice

Complexes containing metals with d⁰ electron configurations are typically colorless because

A) d electrons must be emitted by the complex in order for it to appear colored.
B) the empty d orbitals absorb all of the visible wavelengths.
C) there is no d electron that can be promoted via the absorption of visible light.
D) a complex must be charged to be colored.
E) there are no d electrons to form bonds to ligands.