殷高西路站
淞滨路站
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 殷高西路站 and 淞滨路站 (except for this two stops)? 
A) 16 
B) 3 
C) 21 
D) 13 
