B because a medium in music means style or what types of music they do. none of the other options are styles of music
A) path, paving would be the not acceptable answer.
In my opinion there isn’t, but maybe change warm to warmth in the first paragraph?
Answer:
I hope in the future, though I have my doubts, he will me forthright with such matters.
Explanation:
There are two commas because they represent breaks in the sentence. These are needed because, the part of the sentence "though I have my doubts" is basically a side comment. So, you add commas to show that.