Xiao Jie’s family went on a trip by car. The car was driving on a straight road. Which of the following statements is correct? (　) A. Using cars as a reference, Xiaojie is a sports person

A. There is no change in position between Xiaojie and the car, so using the car as a reference, Xiaojie is stationary. Wrong option;

B. The position of Xiaojie and the building on the roadside has changed. Using the building as a reference, Xiaojie is moving. The option is correct.

C. The position of Xiaojie and the building on the roadside has changed. Using the building as a reference, Xiaojie is moving. Wrong option.

D. Xiaojie and the car are driving together. There is no position change between Xiaojie and the car, so using Xiaojie as the reference object, the car is stationary. The option is wrong;

So choose B.