下列词语中加粗的字，读音全都不相同的一组是(  )

A．岱宗怠慢信贷百战不殆以逸待劳

B．黜免狡黠黝黑黔驴技穷墨守成规

C．辞藻适量畋猎舐犊情深恬不知耻

D．栖息蹊跷契机休戚与共独辟蹊径

A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.

A.perform the Heimlich maneuver

B.make the victim lie down with the feet elevated to get blood to the brain

C.immediately administer CPR

D.do nothing until the victim becomes unconscious