p) Please circle valid statement(s) associated with actual steady-operating heat engine cycles. \text { (A) } \dot{S}_{\text {sen }}<0 \text { . } \text { (B) } \dot{S}_{g=n}=0 \text {

. } \text { (C) } \dot{S}_{\text {gen }}>0 \text { . } \text { (D) Actual heat engine cycles always involve irreversibility. } \text { (E) None of the above is valid. }