ashishd wrote:
More than five thousand years ago, Chinese scholars accurately described the flow of blood as a continuous circle controlled by the heart, but it went unnoticed in the West.
(A) but it went
(B) but it was
(C) although it was
(D) but the discovery went
(E) although the discovery was
It in A b and C has no antecedent.
E does not convey the intended meaning.
ANS D
