It is believed that military strategists in the medieval ages used manned kites surveying enemy troops, so anticipating techniques of modern aerial surveillance.
(A) used manned kites surveying enemy troops, so anticipating techniques of
(B) were using manned kites to survey enemy troops anticipating techniques of
(C) had used manned kites, surveyed enemy troops, and anticipated techniques of
(D) used manned kites to survey enemy troops, a technique anticipating
(E) using manned kites to survey enemy troops, were anticipating techniques of




I dont agree with the OA....i'll post my apprehension in the next post so that it does not interfere anyone's thinking process