The wash she had returned was her last effort on this earth.

A、
A、 she nade her last effort to return the clothes to us.
B、
B、 she returned the last bag of clothes she washed in her life to us.
C、
C、 she hardlu had any more strength to wash more clothes after she retureed the clothes to us
D、
D、 she gave up washing clothes for others after she returned the clothes to us.