The following are multiple choice questions (with answers) about medical knowledge.   **Question:** 2nd Mesiobuccal canal can be seen from naked eyes in what percentage of cases   (A) 62-70%   (B) 90-95%   (C) 30%   (D) 40-55%
['(A) 62-70% <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 62-70% \n (B) 90-95% \n (C) 30% \n (D) 40-55% <> possible answers', '  2nd Mesiobuccal canal can be seen from naked eyes in what percentage of cases <> context@']