In the addition shown below A, B, C, and D are distinct digits. How many different values are possible for D ?
\begin{equation*} \begin{array}{c@{}c@{}c@{}c@{}c} & A & B & B & C & B \ + & B & C & A & D & A \ \hline & D & B & D & D & D \ \end{array} \end{equation*}
Answer Choices
A. 2
B. 4
C. 7
D. 8
E. 9