$A$ vessel of volume $V \ L$ contains an ideal gas at $T \ K$. The vessel is partitioned into two equal parts. The volume (in $L$) and temperature (in $K$) in each part is respectively

• A
  $V, \frac{T}{2}$
• B
  $\frac{V}{2}, T$
• C
  $V, T$
• D
  $\frac{V}{2}, \frac{T}{2}$