What property of carbon makes it able to form large macromolecules?

The bonding properties of carbon
Perhaps more important, however, is carbon's capacity for covalent bonding. Because a C atom can form covalent bonds to as many as four other atoms, it's well suited to form the basic skeleton, or “backbone,” of a macromolecule.
Khan Academy › ... › Elements of life

Ais cytoplasmb is cell membranec is ribosomesd is dnaur welcome and can i pls have brainliest?

The correct answer is c