Which do you think has most probably been discussed in the paragraph that goes before this passage? The author thinks it is goo

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问题 Which do you think has most probably been discussed in the paragraph that goes before this passage?
The author thinks it is good for local people to know well that tourism will ______.

选项 A、waste a lot of money
B、weaken their economy
C、help establish (建立) their customs
D、help improve their life