Mesiobuccal root of maxillary first molars MOST COMMONLY have.. One canal with one foreman

Mesiobuccal root of maxillary first molars MOST COMMONLY have:

A. One canal with one foreman ***

B. One or two canals with one foreman

C. Two canals with one foreman

D. Two canals with two foremen

Dental Decks Part II 2011-20012, Endodontic section, Page 4 (168).