原文發表於PTT GMAT版
※ 引述《heystranger (森V森V)》之銘言：
24. 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(O)
(E) but with supplementing
這題沒有特別大的疑問,只是想詢問如果C選項去掉and，即even though they supplemented......
這樣算正確嗎?印象中although用法與even though相去不遠，先謝謝大大解答~
even though 跟although意思的確相差不大。所以這邊並非主要的的解題點。
以下附上even though的SC正確句子：
Even though the direct costs of malpractice disputes amounted to less than 1 percent of the $541 billion the nation spent on health care last year, doctors say fear of lawsuits plays a major role in health-care inflation.
Even though sub-Saharan Africa often evokes images of drought and famine, researchers say that the area is the home of more than 2,000 grains, vegetables, roots, fruits, and other foods that could feed the continent and even other parts of the world.
Even though it was not illegal for the bank to share its customers' personal and financial information with an outside marketing company in return for a commission on sales, the state's attorney general accused the bank of engaging in deceptive business practices by failing to honor its promise to its customers to keep records private.
Unlike the other major planets, Pluto has a highly eccentric orbit and is thus closer to the Sun than Neptune is for 20 years out of every 230-year cycle, even though it is commonly described as the remotest planet in the solar system.
Even though her career was cut short when she was in her prime and the fifteen recordings she made were disappointing artistically as well as technically, Olive Fremstad (1871-1951) has never been entirely forgotten by opera aficionados.
- 總結 -
以上可以看得出來：
1. even though也是GMAT接受的正確用法。
2. 句意上判斷，就算換成although也是合理。
3. 擺句首、擺句尾都可以
