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

a) Nam: Hi, Linda! Long time no see. You seem so relaxed these days!
b) Nam: Yes, I’ve joined a local wildlife protection group. We organize tree planting and raise awareness about endangered species.
c) Linda: Hi, Nam! Thanks. I’ve been spending more time outdoors lately. Have you been involved in any wildlife conservation efforts?