Question

Do you mean you’ve left her to do that _________? Can she finish it alone?

1. A.
   in her own right
2. B.
   of her own
3. C.
   on her own
4. D.
   of her own accord

Answer 1

C
句意：你意思是说你已离开了她，让她独自一人去做吗？她能独自完成吗？on her own表示“独自”，of her own表示“自己的”，of her own accord表示“自愿地”，in her own right表示“有其本身价值”。