鹅羊山站
黄兴广场站
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 鹅羊山站 and 黄兴广场站 (except for this two stops)? 
A) 15 
B) 9 
C) 22 
D) 21 
