一师范西校区站
润塘站
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 一师范西校区站 and 润塘站 (except for this two stops)? 
A) 17 
B) 19 
C) 30 
D) 5 
