Asystem is undergoing a cycle that consists of three processes. During the first process, the work is 5 kJ and the heat is 23 kJ. In the second process no work takes place and the heat interaction is -50 kJ. The third process is adiabatic. The workin the third process is

A

-32 kJ

B

-23 kJ

C

-22 kJ

D

zero