( A ) two salivary glands the sub-mandibular and the sublingual; just outside the buccal cavity secrete salivary juice into
( B ) two pairs of salivary glands, the parotids, the sub-mandibular and the sublinguals; within the buccal cavity secrete salivary juice in
( C ) three pairs of salivary glands, the parotids, the sub-mandibular and the sublinguals; just outside the buccal cavity secrete salivary juice into
( D ) three salivary glands, the parotid, the sub-mandibular and the sublingual; within the buccal cavity secrete salivary juice in
