Suzanne keeps track of the high and low temperatures every day for a week. The following table shows her data: Day 1 2 3 4 5 6 7 Average High (°C) 29 30 30 31 33 32 32 31 Low (°C) 18 18 20 21 22 22 21 20 Change (°C) 11 12 10 10 11 10 11 ? What is the average daily change in temperature for the whole week? A. 10.3°C B. 10.7°C C. 10.0°C D. 11.0°C