In some cases but not all
Answer:
A
Explanation:
The characters don't say or act suspicious during the interaction,so we can rule out B,and the information they give is just enough to intrigue the reader and give the island a sense of mystery.
Mutation in plants could lead to the plant taking over other plants area and in the process kill the other plants and unbalance nature. it could also creat superviruses that we won't be able to cure
