23,The Iroquois were primarily planters, but supplementing their cultivation of maize, squash, and beans with fishing and hunting. with fishing and hunting.
(A) but supplementing
(B) and had supplemented
(C) and even though they supplemented
(D) although they supplemented
(E) but with supplementing OG说 C的 and 和 even though 是2个连词, 因此后面接2个动词。为什么啊?
and is use to coordinate two independent clause (both have a subject and a working verb) when u use even though, where is your main clause?here u got a sentence fragment