Sofia ran 5 laps around the 400-meter track at her school. For each lap, she ran the first 100 meters at an average speed of 4 meters per second and the remaining 300 meters at an average speed of 5 meters per second. How much time did Sofia take running the 5 laps?

**Answer Choices**

A. 5 minutes and 35 seconds

B. 6 minutes and 40 seconds

C. 7 minutes and 5 seconds

D. 7 minutes and 25 seconds

E. 8 minutes and 10 seconds