The Iroquois were primarily planters, but supplementing their cultivation of maize, squash, and beans 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
这道题的答案很容易选出来是D,但是当时排除A的时候是以but后面要接完整的句子做标准,所以排除了A,og上的标准时:the construction of using supplementing fails to support the intended meaning of the sentence.这个意思是spplementing这样的结构式修饰第一句话所以不对。难道不是因为but后面要接完整的句子才不对的吗~~~~有人懂我在问什么吗好绕~~~