This African-American woman physical therapist worked with soldiers disabled in World War II. She invented _____ device that helped the disabled to eat by delivering food through a tube to a mouthpiece ?

A. Bessie Blount
B. Marjorie Joyner
C. Mae Jamison
D. Beulah Henry

Explanation:
Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government.