Clays Often Have Charged Surfaces

Clays often have charged surfaces.How may this have been important in the formation of organic macromolecules?

A) They are a source of ATP to run chemical reactions.
B) They can form templates by binding organic building blocks.
C) They are formed from meteorites that carried organic molecules to Earth.
D) They form covalent bonds with organic building blocks.
E) They are a source of oxygen to break down organic building blocks.