The acceleration of a bus is given by a（t） =α*t, where α = 1.2 m/s^3. If the bus’s position at time t = 1.0 s is 6.0 m, what is its position at time t = 2.0 s（）

A. 11.8 m

B. 9.5 m

C. 10 m

D. 12.7 m

E. 13.2 m

F. 14.1 m