Direction: The pie-chart shows the number of vehicles in a car park. The total number of vehicles in the car park is\[\mathbf{7000}\]. \[\mathbf{AB}\] is the diameter. What is the ratio of the number of trucks to that of lorries?

• A. \[1:4\]                           
• B.                    \[3:2\]               
• C.                    \[3:1\]                           
• D.                    \[2:3\]