文浍苑站
西七里塘站
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 文浍苑站 and 西七里塘站 (except for this two stops)? 
A) 6 
B) 3 
C) 23 
D) 15 
