扬子江路站
滨湖竹园站
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 扬子江路站 and 滨湖竹园站 (except for this two stops)? 
A) 24 
B) 27 
C) 9 
D) 21 
