You are presented with the question "a light bulb is used for seeing where to step what?" and the following answer choices: 
- feet
 - move
 - lightly
 - dangerously
 - quickly
 - two
 - safely
 - down

Now knowing that alight bulb is used for seeing in the dark and evening had arrived quickly, and it was almost too dark for the old man to see where to step safely, choose the best answer.


 

       safely  