it's good for you to keep____when you have something difficult______Atrying,to do Bto try,to be done Cto try,to do Dtrying,to be done

it's good for you to keep____when you have something difficult______
Atrying,to do Bto try,to be done Cto try,to do Dtrying,to be done

A

A

选D，keep+doing，difficult to do sth，事情是被做，所以用be done
望采纳

A