Step 1: Carefully examine the main image on the left and note distinctive elements such as:
\begin{itemize}
\item Facial expressions and orientations of characters,
\item Positions of animals relative to the child,
\item Shapes, colors, and outlines of objects like plants and frames.
\end{itemize}
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Step 2: Compare each option with the original image, checking for exact matches in:
\begin{itemize}
\item Relative placement of characters,
\item Continuity of outlines and colors,
\item Consistency of proportions and details.
\end{itemize}
\bigskip
Step 3:
\begin{itemize}
\item A: Matches a region of the original image — valid part.
\item B: Matches another region exactly — valid part.
\item C: Contains mismatched alignment and elements not found together — not a part.
\item Option D: Shows an incorrect combination and positioning — not a part.
\end{itemize}
\bigskip
Final Answer:
\[
\boxed{\text{C, D}}
\]
\bigskip