7. As shown in Figure 2, MN is the diameter of $\odot O$. If
$$
\begin{array}{l}
\angle E=25^{\circ}, \angle P M Q \\
=35^{\circ}, \text { then } \angle M Q P \\
=(\quad) .
\end{array}
$$
(A) $30^{\circ}$
(B) $35^{\circ}$
Figure 2
(C) $40^{\circ}$
(D) $50^{\circ}$