#QuizOfTheDay: Identify this person:- American media executive, actress- Host of highest-rated television talk show program- Was richest African American of the 20th century and was once world's only black billionaire.A. Oprah WinfreyB. Halle BerryC. Serena WilliamsD. Rihannahttps://knowledgezone.co.in/resources/quiz?qId=61f538bc9d85c7a040fe24f4