I would say none because thats the only one that makes any sence.
electrostatic force
Explanation:
In ionic bonds one atom is positively charged (the atom that gives its electrons), and the other atom is negatively charged (the atom that receives the electrons); therefore, it is the opposite charge of the ions that attracts them to one another and holds them together with electrostatic force.
What happens when an oceanic plate collides with a continental plate?
C. The oceanic plate moves under the continental plate
B its viscosity decreases