The correct option is C Submaxillary gland
The submandibular glands are a pair of salivary glands located in the bottom of the mouth, on each side of the lower jaw. There are three pairs of salivary glands in humans. The primary function of the submandibular glands is to control the release saliva into the area of the mouth, that is located just under the tongue. It has got no role in endocrine secretion.