(A) 50
(B) 31
(C) 40
(D) ** 44
EXPLANATIONS BELOW
Concept note-1: -Barack Obama served as the 44th President of the United States. His story is the American story-values from the heartland, a middle-class upbringing in a strong family, hard work and education as the means of getting ahead, and the conviction that a life so blessed should be lived in service to others.
Concept note-2: -He was elected the 44th President of the United States on November 4, 2008, and sworn in on January 20, 2009. After being re-elected in 2012, President Obama is currently serving his second and final term, which will end in January 2017.
Concept note-3: -On November 4, 2008, Barack Obama became the first African American to be elected President of the United States, sparking many celebrations in the United States and around the world. He gained almost 53% of the popular vote and 365 electoral votes.