Twenty Grams of a Solid at 70 $\degree$ C Is Place in 100 Grams of a Fluid at Place

Multiple Choice

Twenty grams of a solid at 70 $\degree$ C is place in 100 grams of a fluid at 20 $\degree$ C.Thermal equilibrium is reached at 30 $\degree$ C.The specific heat of the solid:

A) is equal to that of the fluid.
B) is less than that of the fluid.
C) is more than that of the fluid.
D) cannot be compared to that of a material in a different phase.