Mark the letter A, B, Cor D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 13 to 17.

a. However, we can still make a difference if we work together to reduce our environmental impact.
b. Communities everywhere are already experiencing the harmful effects of these changes.
c. Scientists warn that without immediate action, these changes could become permanent.
d. Extreme weather events have become more frequent and severe around the world.
e. Climate change has significantly altered our planet's weather patterns over the past few decades.