Let’s examine the given series:
\[
3, 10, 101, ?
\]
**Identify the pattern:**
Start with 3.
The next term is obtained by concatenating the previous term with itself: \( 3 \) becomes \( 33 \), but this doesn't match the given series.
Alternatively, consider the following pattern:
\( 3 \times 3 + 1 = 10 \)
\( 10 \times 10 + 1 = 101 \)
\( 101 \times 101 + 1 = 10202 \)
**Verify the pattern:**
\begin{itemize}
\item \( 3 \times 3 + 1 = 10 \)
\item \( 10 \times 10 + 1 = 101 \)
\item \( 101 \times 101 + 1 = 10202 \)
\end{itemize}
**Determine the missing term:**
\[
101 \times 101 + 1 = 10202
\]
**Final Answer:**
\[
\boxed{10202}
\]
Therefore, the correct option is C) 10202.