Which two elements form a covalent bond in the compound sodium hypochlorite (NaOCl)?

The elements that form a covalent bond in sodium hypochlorite (NaOCl) are chlorine (Cl) and oxygen (O).

a

sodium (Na) and oxygen (O)
b
chlorine (Cl) and sodium (Na)
c
chlorine (Cl) and oxygen (O)

c

chlorine (Cl) and oxygen (O)