23 St Station
Forest Hills-71 Av Station
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 23 St Station and Forest Hills-71 Av Station (except for this two stops)? 
A) 16 
B) 17 
C) 14 
D) 9 
