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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlinedpart in each of the following questions.
The 1908 Siberian meteorite explosion brought about considerable depletion of the northem hemisphere's ozone layer.

A. brought back

B. resulted in

C. was initiated by

D. was caused by