The bond between the atoms to form the chemical compound is called as chemical bonding. There are various types of the chemical bonding. They are ionic band, covalent bond, metallic bond, and etc.
Hydrogen bond is stronger than then dipole interactions. It is weaker than then ionic bond. In ionic bond there is an electrostatic attraction between the oppositely charged ions. In covalent bonding, electron pair is commonly shared by the two atoms. Due to this reason, covalent bond is the strongest among all the chemical bonding.
Hence, the options B, C, and D are wrong.
From the above explanation, covalent bond is the strongest among all the chemical bonding.
Hence, the correct option is.