Question

there are 4 electrons in the outermost shell of carbon and its octet can been completed by the following reasons and what are the reason?

Answer 1

The octet Of carbon can be completed by sharing 4 electrons to any other atom of element forming covalent bond...

Answer 2

carbon can not transfer electrons
carbon has valency of four because of that it neither be gain nor lose
inspite of that it form a lot of compounds because of their two properties that is tetravalency and catenation it can be only share electrons form covalent bond