C. Is the correct answer. I believe.
Answer:
Simile
Explanation:
The growth rate of the children is being compared to that of weeds
Based on his acts, I think it would be safe to say he's friendly but scatter-brained (D) or sleepy-sounding but argumentative. (B)
I think it's D mostly but I'm not fully sure
Observer. He carefully inspects everything he sees.
