For the process $CO_{2(s)} \rightarrow CO_{2(g)}$,which of the following is true?

• A
  Both $\Delta H$ and $\Delta S$ are positive.
• B
  $\Delta H$ is negative and $\Delta S$ is positive.
• C
  $\Delta H$ is positive and $\Delta S$ is negative.
• D
  Both $\Delta H$ and $\Delta S$ are negative.