Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.    

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

• A. A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.
• B. B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.
• C. C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.
• D. D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

Phân từ diễn tả hành động xảy ra trước
=> C
Tạm dịch: Sau khi chứng kiến người dân hứng chịu hậu quả từ việc nóng lên toàn cầu, chúng tôi đã quyết định giảm thiểu mức xả CO2