Based on the context provided, here are the correct answers:
The early reality TV shows were... b entertaining.
People take part in reality shows because..... b a lot of people watch them.
In Kid Nation, the TV company gave money to... a the youngsters' parents.
Kid Nation shocked many people because.... c the show used children to make money.
The writer thinks that the problem with reality TV is that... a it is shocking.
Please confirm the text or context for accuracy if needed!