Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Question. Having seen people suffer global warming consequences, we decided to reduce carbon footprints.

A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.

B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.

C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.