We have to pick which sentence the vocabulary word is used incorrectly.
Vocab Word: Verity
a) Many people trusted the VERITY of the accused spies Ethel and Julius Rosenberg, but the defendants were convicted and executed for espionage in 1953.
b) Although neutrons and protons are invisible, physicists accept them as a scientific VERITY.
c) Edna Ferber acknowledges a VERITY in American attitudes when a character in Cimmarron says, " I am not belittling the brave pioneer men, but the sunbonnet as well as the sombrero has helped to settle this glorious land of ours."
d) Athletes in competitive sports accept the VERITY that they can't win all the time.
I narrowed it down to A and C