Question

Oh, Janne, you’ve broken another glass. You ought ＿＿＿＿when you washed it.

1. A.
   be careful
2. B.
   to care
3. C.
   have cared
4. D.
   to have been careful

Answer 1

D
should／ought to have done表示“本来应该做的事而事实上并未做”。根据上下文，句中省去了seen her。