<p>One time a candidate for the Democratic nomination for United States president in 1972, Shirley Chisholm won 152 delegates before withdrawing from the race.
(A) One time
(B) She was
(C) Being
(D) To be
(E) As</p>
<p>Answer is E, but why cant it be C.</p>
<p>College board says:
It avoids the error of the original by using the preposition As to indicate the capacity in which Shirley Chisholm won 152 delegates.</p>
<p>Lastly, when is being right and when is it wrong</p>