In the end, we got to the situation ________ we had to take immediate action to save the wounded．

1. A.
   where
2. B.
   when
3. C.
   how
4. D.
   whether

In the end, we got to the situation ____ we had to take immediate action to save the wounded.

A. where                B. when                    C. how                        D. whether

In the end, we got to the situation _______ we had to take immediate action to save the wounded.

A. where                     B. when                       C. how                        D. whether