, the forest fire would have been discovered much earlier.

A. But for their care            B. Had they been more careful 

C. Without their care           D. If they were careful  

       , the forest fire would have been discovered much earlier.

A. But for their care            B. Had they been more careful 

C. Without their care           D. If they were careful  

_________, the forest fire would have been discovered much earlier.

   A. But for their care             B. If they were careful

   C. Without their care            D. Had they been more careful

_________, the forest fire would have been discovered much earlier.

   A. But for their care             B. If they were careful

   C. Without their care            D. Had they been more careful