The correct option is A Covalent
Covalent hydrides are primarily compounds of hydrogen and nonmetals, in which the bonds are evidently electron pairs shared by atoms of comparable electronegativities. For example, most nonmetal hydrides are volatile compounds, held together in the condensed state by relatively weak van der Waals intermolecular interactions (see chemiAXcal bonding). Covalent hydrides are liquids or gases that have low melting and boiling points, except in those cases (such as water) where their properties are modified by hydrogen bonding.