标题: 这题，虽然看了解释，还是不明白，求高人赐教 [打印本页] 作者: zhangchuqi 时间: 2014-4-3 15:14 标题: 这题，虽然看了解释，还是不明白，求高人赐教 [size=10.000000pt]23. The Iroquois were primarily planters, but supplementingtheir cultivation of maize, squash, and beans withfishing and hunting.
[size=10.000000pt](A) but supplementing
[size=10.000000pt](B) and had supplemented
[size=10.000000pt](C) and even though they supplemented
[size=10.000000pt](D) although they supplemented
[size=10.000000pt](E) but with supplementing
[size=10.000000pt]Grammatical construction; Verb form
[size=11.000000pt]Th[size=11.000000pt]e participle [size=11.000000pt]supplementing [size=11.000000pt]would normally beexpected to modify the first clause, describing orextending its meaning, but the logic of thissentence demands a contrast, not an extension.Consequently, the second part of the sentencemust be revised to emphasize the contrastproperly. [size=11.000000pt]Th[size=11.000000pt]e logic of the sentence also arguesagainst a construction that would set the twoclauses and the importance of their content equalwhen they clearly should not be. [size=11.000000pt]Th[size=11.000000pt]e bestsolution is to have the main clause describe theprimary activity, and a subordinate clause,[size=11.000000pt]although they supplemented[size=11.000000pt], describe thesupplementary activity.
[size=11.000000pt]A [size=11.000000pt]Th[size=11.000000pt]e construction using [size=11.000000pt]supplementing[size=11.000000pt]fails to support the intended meaning ofthe sentence.
[size=11.000000pt]B [size=11.000000pt]And [size=11.000000pt]does not convey contrast; [size=11.000000pt]hadsupplemented [size=11.000000pt]is the past perfect tense butthe simple past is required to match [size=11.000000pt]were.
[size=11.000000pt]C [size=11.000000pt]And [size=11.000000pt]does not convey contrast and should beomitted; [size=11.000000pt]and even though [size=11.000000pt]creates a sentencefragment.
[size=11.000000pt]D Correct. [size=11.000000pt]Using [size=11.000000pt]although [size=11.000000pt]creates a subordinateclause in this sentence and logically links thatclause with the main clause; the simple past[size=11.000000pt]supplemented [size=11.000000pt]parallels the simple past [size=11.000000pt]were[size=11.000000pt].
[size=11.000000pt]E [size=11.000000pt]But with [size=11.000000pt]is awkward and unclear;[size=11.000000pt]supplementing [size=11.000000pt]is a modifier when acontrasting clause is needed.