Air Moves Through the Duct Shown $\dot { W } _ { S }$

Air moves through the duct shown. The for include:
Work-rate term

A) $\dot { W } _ { S }$ and $\dot { W } _ { I }$
B) $\dot { W } _ { S }$ and $\int p \hat { \mathbf { n } } \cdot \mathbf { V } d A$
C) $\dot { W } _ { S }$ and $\int p \hat { \mathbf { n } } \cdot \mathbf { V } d A$ and $\dot { W } _ { \text {sheur } }$
D) $\dot { W } _ { S }$ and $\dot { W } _ { \text {shear } }$ s that must be accounted