11. A monatomic gas undergoes the set of thermodynamic processes shown in Fig. 2. There are n mol of gas. Which statement is correct?(A) TB = Tc； (B) The total work done on the gas during one cycle is (PA -PB) (VC - VB)； (C) The heat is transferred when the gas goes from B to C is (3/2) PB (VC - VB)； (D) AIl； (E) None.