The given graph shows the registration of bikes and total vehicles (in thousands) for 6 months in 2017 in City X. Note: In the chart, the first number represents bikes (grey) and the second number represents total vehicles (black). Based on the given data, in March 2017, the number of vehicles other than bikes registered is:

Options

A. 9000
B. 15000
C. 11000
D. 10000