Given are statements for certain thermodynamic variables:
\begin{itemize}
\item[(A)] Internal energy, volume \( V \), and mass \( M \) are extensive variables.
\item[(B)] Pressure \( P \), temperature \( T \), and density \( \rho \) are intensive variables.
\item[(C)] Volume \( V \), temperature \( T \), and density \( \rho \) are intensive variables.
\item[(D)] Mass \( M \), temperature \( T \), and internal energy are extensive variables.
\end{itemize}
Choose the correct answer from the options given below: