战争已经威胁了这些人们几十年，他们似乎已学会接受这一现实了。 [

A、 ] War has been threatened these people for decades and they seem to have learned to live with it. [

B、 ] War has been threatening these people for decades and they seem to have learned to live with it.

C、 ] War has been threatening these people for decades and they seem have learned to live with it. [

D、 ] War has been threatening these people for decades and they seem to have learned to live on it. [