大全371求问

gukangmat

         In cold-water habitats, certain invertebrates and fish convert starches into complex carbohydrates called glycerols, in effect manufacturing its own antifreeze.

(A) in effect manufacturing its own antifreeze

(B) effectively manufacturing antifreeze of its own

(C) in effect manufacturing their own antifreeze

(D) so that they manufacture their own antifreeze

(E) thus the manufacture of its own antifreeze

C是正确答案,但是对于干扰项D,我不太清楚错在什么地方,看了注释也不是很清楚,望牛牛指教.

zhaobing1704

1）答案中so that多数错。2）D选项的they错，manufacture的主语是前面convert的过程，而不是动物。3）c 比d 简洁，ing形式表伴随情况。 

swordghost

深刻学习楼上

alice1880505

以下是引用zhaobing1704在2006-9-26 16:26:00的发言：
1）答案中so that多数错。2）D选项的they错，manufacture的主语是前面convert的过程，而不是动物。3）c 比d 简洁，ing形式表伴随情况。 

我想说两句：１是绝对不能判断一个句子正确与否的根据

２.的they是可以指代 invertebrates and fish的吧

springsound

问个问题:

D项如果暂且抛开逻辑意思,单就语法结构而言, 这种"逗号+so that"的结构是否正确? 逗号是不是需要去掉?