WAEC Geography 2010 Question 11

Use the climatic data below to answer this question.
Month: J, F, M, A, M, J, J, A, S, O, N, D
Temperature (°C): 22, 26, 30, 32, 33, 29, 28, 26, 27, 25, 28, 28
Rainfall (mm): 2, 3, 3, 13, 64, 122, 208, 307, 140, 12, 0, 0
The annual temperature range for the station is

1. A.5.5°C.
2. B.11°C.
3. C.26°C.
4. D.27°C.