A school bus ran its morning route to pick up students as seen in the chart below.

Time Average Distance Direction

6:30-6:45 am 5 miles North

6:45- 7:00 am 3 miles East

7:00- 7:15 am 7 miles South

7:15-7:30 am 1 mile West

What is a possible explanation for the movement of the bus?

A. There was a lot of traffic from 7:00-7:15 am.

B. The bus did not have very many students to pick up from 7:15-7:30 am.

C. The bus had more students to pick up from 6:45-7:00 than it did from 7:00-7:15 am.

D. Buses can only travel 10 miles per hour.