I’m guessing you mean the sentence passive? but it would be “the water boiled at 100°C” if so.
Part A is option 2.
Part B is option 2.
He didn’t care what people will think of him
Answer choice: C is the only thing that makes sense. I've read this before but don't remember much about this.. But for sure it's C!
(HAVE A GOOD DAY)
