永叔路站
翠苑路站
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 永叔路站 and 翠苑路站 (except for this two stops)? 
A) 2 
B) 21 
C) 24 
D) 7 
