题目内容（请给出正确答案）

[主观题]

By saying that "the problems of mechanizing some areas are not only cultural in nature", t

he author means______.

A．mechanization is not yet introduced in some areas for economic reasons

B．human and animal labour in some areas are less expensive

C．culture is not a factor in obstacling the introduction of mechanization

D．different kinds of mechanized fanning tools are used in different cultures

提问人：网友wwwlee100 发布时间：2022-01-06

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