4. The following is the time on the clock behind Pleasant Goat as seen in the mirror. The actual time at this moment is ( ).
A. 7:30
B. $6: 30$
C. 5:30
D. $4: 30$
E. 3:30
\begin{tabular}{l}
4 \\
\hline $\mathrm{D}$
\end{tabular}