题目内容
（请给出正确答案）
提问人：网友z*****n
发布时间：2022年3月13日 03:25
[单项选择题]
Without proper planning, tourism can cause problems. For example, too many tourists can crowd public...Which of the following has most probably been discussed in the paragraph that goes before the passage
A．It is extremely important to develop tourism.
B．Building roads and hotels is essential.
C．Support facilities are highly necessary.
D．Planning is of great importance to tourism.
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