Sounds like someone is being told about someone else, and they're being told this person is selfish and vain, and that they are putting in a lot of work into some kind of selfish gain. This a well-known person (long enduring name). This person did something wrong to Africa/African people. I'm not entirely sure in the last two lines.
For your question i think its letter B
I’m guessing you mean the sentence passive? but it would be “the water boiled at 100°C” if so.
