The author indicates explicitly that which of the following records has been a source of information in her investigation? It c

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问题 The author indicates explicitly that which of the following records has been a source of information in her investigation?
It can be inferred from the passage that the “easy conclusion” mentioned in line 53 is based on which of the following assumptions?

选项 A、People who migrate from rural areas to large cities usually do so for economic reasons.
B、Most people who leave rural areas to take jobs in cities return to rural areas as soon as it is financially possible for them to do so.
C、People with rural backgrounds are less likely to succeed economically in cities than are those with urban backgrounds.
D、Most people who were once skilled workers are not willing to work as unskilled workers.
E、People who migrate from their birthplaces to other regions of country seldom undertake a second migration.

答案C

解析 C is the best answer. To answer this question, you must first identify the “easy conclusion” mentioned in lines 77-79, which ties Black migrants’ “subsequent economic problems in the North to their rural background.” This linkage of rural background to economic difficulty after migration to the North is first mentioned in lines 20-26. Here, the author points out that researchers have assumed that Black migrants encountered economic difficulties in northern cities because they were from rural rather than urban backgrounds, and that rural backgrounds imply “unfamiliarity with urban living and a lack of industrial skills.” This choice provides an assumption about the relationship between rural backgrounds and economic difficulty that underlies this conclusion. It states that people with rural backgrounds are more likely to have economic difficulty in urban areas than are people with urban backgrounds.
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