I think the answer is low wages, long hours, and working conditions.
I could be wrong and I’m sorry about that !!
It's c. I mean they put it in the question. But that could be a trick lol. But I'm pretty sure
Answer: Because he used to be unintelligent, so his dad kept a low profile, but the irony is that he actually grows up to be a teacher.
Explanation:
I'm like so sorry that I'm a teacher on this website but please stop cheating.