The answer is a. Extreme poverty
This message presents some lifestyles, values, and opinions, which does it include and which does it exclude?
It's clear that this question needs to incorporate the inclusion and exclusion of some elements, and needs the reader to answer the question of what pieces are in and what are excluded.
Defiant shows actions and acts (action and acts are clues of what the suffix -ant is) of rebellion and noncooperation, and bold disobedience, so the answer would be
B. The boy began to disobey his mother.
The correct answer they do not want the others to have false hope that someone else is on the island ☺