单项选择题
A.sympathetic trunk B.vertebral artery C.glossopharyngeal n. D.internal jugular vein E.external jugular vein
A.the trunk of vagus B.inferior laryngeal nerve C.the lateral branch of superior laryngeal nerve D.the trunk of sympathetic n. E.recurrent laryngeal nerve
A.in internal surface of fundus of bladder B.below apex of urinary bladder C.in the body of bladder D.below neck of bladder E.in base of prostate