5. The three-view drawing of a certain solid is shown in the figure. The volume of this solid is

\begin{figure}[h]
\begin{center}
  \includegraphics[alt={},max width=\textwidth]{349b1ba4-8fb6-44cd-b25a-4a036dec5803-1_131_277_1480_274}
\captionsetup{labelformat=empty}
\caption{Front view}
\end{center}
\end{figure}

\begin{figure}[h]
\begin{center}
  \includegraphics[alt={},max width=\textwidth]{349b1ba4-8fb6-44cd-b25a-4a036dec5803-1_102_167_1475_612}
\captionsetup{labelformat=empty}
\caption{Left view}
\end{center}
\end{figure}

\begin{figure}[h]
\begin{center}
  \includegraphics[alt={},max width=\textwidth]{349b1ba4-8fb6-44cd-b25a-4a036dec5803-1_191_250_1379_845}
\captionsetup{labelformat=empty}
\caption{Top view}
\end{center}
\end{figure}

A. $\frac { 1 } { 3 } + \pi$\\
B. $\frac { 2 } { 3 } + \pi$\\
C. $\frac { 1 } { 3 } + 2 \pi$\\
D. $\frac { 2 } { 3 } + 2 \pi$