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. Urbanization is rapidly replacing parks with buildings, which threatens air quality and animal habitats.
b. Additionally, we advocate for new laws to protect existing parks. You can support us through donations or volunteering.
c. If you want to volunteer or donate money to Park Protectors, visit www.parkprotectors.com to learn more and join our mission to save parks and wildlife.
d. Park Protectors is an environmental charity working in over 15 countries to create and preserve parks for both people and animals.
e. We run campaigns to protect these green spaces: one focuses on fundraising to build new parks, and another organizes protests against companies planning to develop on parkland.