(A) 1980
(B) ** 1961
(C) 1967
(D) 1963
EXPLANATIONS BELOW
Concept note-1: -Barack Obama, the 44th president of the United States, was born on August 4, 1961 in Honolulu, Hawaii to Barack Obama, Sr. (1936–1982) (born in Oriang’ Kogelo of Rachuonyo North District, Kenya) and Stanley Ann Dunham, known as Ann (1942–1995) (born in Wichita, Kansas, United States).
Concept note-2: -Barack Obama’s tenure as the 44th president of the United States began with his first inauguration on January 20, 2009, and ended on January 20, 2017. A Democrat from Illinois, Obama took office following a decisive victory over Republican nominee John McCain in the 2008 presidential election.