I think it's C because he acts suitable according to his age hut the little sister behaves selective.
Hope it helps!
#MissionExam001
Answer:
The environmental factor duties is Not make Violence Air pollution water pollution noise pollution soil pollution
Chocolate is so good to eat
It is addicting because it’s sweet
I always think of it whenever I sleep
I like it whenever I want a good treat
The rhyming words at the end are memorable