The army organized teams to dig out those ________ were trapped and to bury the dead.

A. that　　　　　 B. which　　　　 C. who　　　　　 D. whom

 The army organized teams to dig out those ________were trapped and to bury _______dead .

A. /; the          B. who; /            C. / ; /          D. who; the

 The army organized teams to dig out those who were trapped and to bury the ______.

  A. dying                           B. death                 C. dead                        D. died