to set 和 than have been 不平行因为to set 不是be 动词,所以than 后面应该用 they have done 来。
to set与have been不平行,要在been后面加上setting或改为have set以修正平行。
to set与have been不平行,要在been后面加上setting以修正平行。
Ron: to set is the infinitive verb . there is no auxiliary verb.hence have been cannot be used whenever you use a parallel structure with omitted/elided words, the EXACT omitted word(s) MUST be present, IN PARALLEL STRUCTURE, elsewhere in the sentence. this means in exactly the same form - no alterations, no tense changes, no nothing. this kills choice (b). that choice ends with "...than they have been", which omits a participle: in other words, it's actually "...than they have been ______", where the ______ is clearly seen to be setting (dividends). since the EXACT WORD setting doesn't appear anywhere else in this sentence, the sentence is incorrect. by contrast, choice (c) is a-ok on this point. this choice also contains "...than they have been (__________)", where the parallel concept, "(more) conservative", actually appears elsewhere in the sentence.
to set与have been不平行,要在been后面加上setting以修正平行
to set 是一般動詞 have been是be動詞 不平行 應改為they have been setting, or they have set, or they have done
have been没有对应词
to set与have been不平行,要在been后面加上setting以修正平行。
have been 无所对应
the real problem with choice (b) is the lack of parallelism. you have "they have been", but there's no form of TO BE to which it can be parallel. (contrast this with choice (c), in which there is such a form of "to be" that anchors the parallelism.)
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