Figure "B" Below Illustrates a View of Which Surface

Question

Figure "B" below illustrates a view of which surface?

A) Buccal 
B) Lingual 
C) Mesial 
D) Distal

Accepted Answer

Figure "B" illustrates the distal surface of this tooth.Note the well-developed lingual cusp and that both the facial and lingual cusps are centered over their root.