The answer is A, because beneficial, solute, and equal, do not make sense in the sentence.
You are not citing any multiple choice answers, but based on the reading I have done on it, it would have to be a Mining Camp
He has an unnatural appearance.
C. Autobiographical narrative. Interesting man he was. You should read up on him if you ever have the chance.
The correct answer is letter b. The structure of the response is more formal than a speech. The medium of Interview with Marielle Tsukamoto affect the structure of the main ideas and supporting sentences is that the structure of the response is more formal than a speech. It is informal compared to an essay. It is formal compared to a speech.
Hope this helps! Marking me the brainiest and leave a thanks is much appreciated. ;)