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77. Though the term “graphic design” may suggest laying out corporate brochures and annual reports, they have come to signify widely ranging work, from package designs and company logotypes to signs, book jackets, computer graphics, and film titles.
(A) suggest laying out corporate brochures and annual reports, they have come to signify widely ranging
(B) suggest laying out corporate brochures and annual reports, it has come to signify a wide range of
(C) suggest corporate brochure and annual report layout, it has signified widely ranging
(D) have suggested corporate brochure and annual report layout, it has signified a wide range of（B）
(E) have suggested laying out corporate brochures and annual reports, they have come to signify widely ranging
Choice A contains an agreement error: the term requires the singular it has in place of the plural they have. （代词指代） Furthermore, widely ranging is imprecise: graphic design work does not range about widely but rather comprises a wide range of activities. （逻辑意思的合理性，尤其要注意主谓的逻辑意思搭配： the term has come to signify widely ranging错， the term has come to signify a wide range of 对） Choice C contains widely ranging and, like D, fails to use a verb form such as laying out to define the activities, instead presenting an awkward noun phrase: corporate brochure and annual report layout. （用词的准确，根据句意，要用动词来说明，不能用名词，意思是不一样的。） The present perfect tense is used inappropriately in choices C (has signified), D (have suggested... has signified), and E (have suggested) to indicate recently completed rather than ongoing action. （时态，？？？） Additionally, E contains the incorrect they have and the imprecise widely ranging. Choice B is best.
The present perfect tense is used inappropriately in choices C (has signified), D (have suggested... has signified), and E (have suggested) to indicate recently completed rather than ongoing action. （时态，？？？）
1如果说这里不能用现在完成时的话 为何正确答案用的是has come to
2怎样才能体会出是这个句子的语境是ongoing action而不是recently completed
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