A rescuer can most easily determine whether or not an adult victim has a pulse by checking the pulse at the（）.

A.carotid artery in the neck

B.femoral artery in the groin

C.brachial artery in the arm

D.radial artery in the wrist

我国婚姻法规定，禁止近亲结婚的理论根据是（）

A.近亲结婚必然使后代患遗传病

B.近亲结婚使后代患遗传病的机会增加

C.近亲结婚违反社会的伦理道德

D.人类遗传病都是由隐性基因控制的