Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The Australian government did try very hard to put out the fire. However, it still spread quickly.
A.However hard the Australian government tried, the fire still spread quickly.
B.Because the Australian government tried very hard, the fire was put out.
C.If the Australian government hadn't tried hard to put out the fire, it would have spread quickly.
D.The fire spread so quickly that the Australian government couldn't put it out.

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