Final answer:
Students had different reactions to the truth about the Third Wave, including shock, indifference, protest, and curiosity.
Step-by-step explanation:
When the truth about the Third Wave experiment was revealed, students had various reactions. Some students were shocked and couldn't believe what had happened (a). Others were indifferent and accepted the truth without much reaction (b). Some students protested and resisted the experiment, disagreeing with its principles and implications (c). Lastly, there were students who responded with curiosity and investigated further to understand the truth (d).