We have overlooked the fact __________ the children’s emotional development may be easily damaged.

A. which   B. that   C. what   D. 不填

We have overlooked the fact __________ the children’s emotional development may be easily damaged.

1. A.
   which
2. B.
   that
3. C.
   what
4. D.
   不填

We have overlooked the fact __________ the children’s emotional development may be easily damaged.

A. which   B. that   C. what   D. 不填

We have overlooked the fact __________ the children’s emotional development may be easily damaged.