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.
Greenpeace has realized the seriousness of environmental pollution. It urges the government worldwide to take action soon.
A.Having realized the seriousness of environmental pollution, Greenpeace urges the government worldwide to take action soon.
B.Greenpeace has realized the seriousness of environmental pollution so that it urges the government worldwide to take action soon.
C.Greenpeace has realized the seriousness of environmental pollution whereas it urges the government worldwide to take action soon.
D.Realized the seriousness of environmental pollution, or else Greenpeace urges the government worldwide to take action soon.