it's a challenge aspect people must accomplish the task, so, the correct letter is b).
What's a challenge aspect?
- Most people use the word "challenge" to describe any difficult task. In reality, a challenge is something that tests your abilities and pushes you outside your comfort zone;
- There are two types of challenges:1. Something difficult that requires you to use your skills and abilities to complete it, such as a race or chess match .2. Something difficult with no clear objective, such as going for a walk in the woods or trying to build something from scratch.
Aprenda mais sobre o challenge aspect em: https://brainly.com.br/tarefa/48118398
