Who among the following has been appointed as first Women Treasury Secretary in United States of America ?

Janet Yellen was sworn in as the 78th Secretary of the Treasury of the United States on January 26, 2021, making her the first woman to hold this position in the department's 232-year history. An eminent economist, she also holds the distinction of being the first person to have headed the three most powerful economic bodies in the U.S. federal government: the Treasury Department, the Federal Reserve (where she served as the first female Chair from 2014 to 2018), and the White House Council of Economic Advisers.

• Lloyd Austin (Option A) is the first African American U.S. Secretary of Defense.
• Merrick Garland (Option C) is the U.S. Attorney General.
• Option D is not a recognized high-ranking U.S. official.