Mark the letter A, B, C, or D on you answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We cut down many forests. The Earth becomes hot.

A. The more forests we cut down, the hotter the Earth becomes. 

B. The more we cut down forests, the hotter the Earth becomes

C. The more forests we cut down, the Earth becomes hotter.

D. The more we cut down forests, the Earth becomes hotter.