A Block of Wood Slides to a Stop Along a Tabletop

A block of wood slides to a stop along a tabletop. In this process,

A) energy remains unchanged but energy quality is gained.
B) energy is lost.
C) both energy and energy quality remain unchanged but thermal energy is lost while kinetic energy is gained.
D) energy remains unchanged but energy quality is lost.
E) both energy and energy quality remain unchanged but thermal energy is gained while kinetic energy is lost.