In Carbon Containing Compounds,carbon Usually Forms

In carbon containing compounds,carbon usually forms

A) four bonds,nitrogen usually forms three bonds,oxygen usually forms two bonds,and hydrogen only forms one bond.
B) four bonds,nitrogen usually forms five bonds,oxygen usually forms six bonds,and hydrogen only forms one bond.
C) four bonds,nitrogen and oxygen usually form two bonds,and hydrogen only forms one bond.
D) three bonds,nitrogen and oxygen usually form two bonds,and hydrogen only forms one bond.