(A) Melinda
(B) Francesca
(C) ** Michelle
(D) Rochelle
EXPLANATIONS BELOW
Concept note-1: -There are five living former first ladies: Rosalynn Carter, married to Jimmy Carter; Hillary Clinton, married to Bill Clinton; Laura Bush, married to George W. Bush; Michelle Obama, married to Barack Obama; and Melania Trump, married to Donald Trump.
Concept note-2: -Barack Hussein Obama II (/bəˈrɑːk huːˈseɪn oʊˈbɑːmə/ ( listen) bə-RAHK hoo-SAYN oh-BAH-mə; born August 4, 1961) is an American retired politician who served as the 44th president of the United States from 2009 to 2017.