同济桥站
新天地公园站
Please solve the multiple choice problem and put your answer (one of ABCD) in one "\boxed{}". According to the subway map, how many intermediate stops are there between 同济桥站 and 新天地公园站 (except for this two stops)? 
A) 4 
B) 21 
C) 12 
D) 13 
