Which Shows the Elements Carbon (C), Hydrogen (H), Oxygen (O)

Which shows the elements carbon (C) , hydrogen (H) , oxygen (O) , nitrogen (N) , and phosphorus (P) in decreasing order by the number of covalent bonds they usually form?

A) C > P > N > O > H
B) P > O > C > N > H
C) P > C > N > O > H
D) P > C > O > N > H
E) P > C > O > H > N