Mark the letter A, B, C, or 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. Tom: How can we help protect the environment?
b. Tom: I’ll definitely start recycling more and being more mindful about energy use.
c. Tom: That sounds good. What about reducing energy use?
d. Lisa: We should also turn off lights when we’re not using them and use energy-efficient appliances.
e. Lisa: We can reduce waste by recycling and using less plastic.