Definition: You are given a question on anatomy. Anatomy is the science that studies the structure of the body. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: The regional lymphatic drainage of the left side of the tip of the tongue is to the
(A)left submental lymph node. (B)left and right submental lymph nodes. (C)left submandibular lymph node. (D)left and right submandibular lymph nodes.

B