上海图书馆站
天潼路站
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 上海图书馆站 and 天潼路站 (except for this two stops)? 
A) 5 
B) 10 
C) 28 
D) 30 
