Answer :
Heat would flow from the warmer beaker to the cooler beaker until they reach the same temperature, at which point heat flow would cease.
When beaker A is moved so that it's touching beaker B, heat would flow from the beaker with higher temperature to the beaker with lower temperature. This process continues until both beakers reach thermal equilibrium, meaning they are at the same temperature and no more heat flow occurs. The direction of heat flow is determined by the temperature difference between the two beakers.
Zeroth Law of Thermodynamics, which in turn will mean the heat will transfer between both of them up to the point where they are in thermodynamic equilibrium. So the answer is C.
