I personally think its C but you do you :P
Just look it up on google, no need for it to be here.
Tetravalent
We have already seen an example of how a covalent bond can form between two hydrogen atoms producing molecular (H2) as opposed to the atomic form of hydrogen. ... As in all its compounds and its elemental forms, carbon is tetravalent, which means that it always forms four bonds.
The answer to your question is,
D. Texture
-Mabel <3
