Values Of $\mathrm { pO } _ { 2 } = 116 \mathrm {~mm} \mathrm { Hg }$

Values of $\mathrm { pO } _ { 2 } = 116 \mathrm {~mm} \mathrm { Hg }$ and $\mathrm { pCO } _ { 2 } = 27 \mathrm {~mm}$ Hg most closely describe which of the following?
A. Atmospheric air
B. Alveolar air
C. Blood in the left heart
D. Blood in the right heart
E. Expired air