北沥站
新洪城大市场站
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 北沥站 and 新洪城大市场站 (except for this two stops)? 
A) 16 
B) 23 
C) 22 
D) 21 
