I think it is b. Most beautiful, as c and d don't make sense. A is a possibility, but I'm pretty sure it is b. Most beautiful.
Answer: They are both very successful fencers who competed in the Olympics
Explanation:
They are sources that you can find the date, author, and have real facts and not just made up. Like if you went to the IRS website then that is a credible source for tax where as going to Wiki they are not credible because anybody can go there
Voters choose representatives, who in turn… choose their voters.
B. The use of words such as "planetary" and "potential" helps establish a formal style.
