Direction: The given pictograph represents the number of visitors at a zoo on a certain day. Time Number of visitors 10 a. m - 12 noon 12 noon - 2 p. m. 2 p. m. - 4p.m. 4 p.m. - 6 p.m. 6 p.m. - 8 p.m. Each represents 40 visitors. How many visitors were there at the zoo on that day?

• A.  640                            
• B.  490    
• C.  69                  
• D.    960