题目内容：
下列不属于用“簖”捕捉鱼蟹的方法逐渐被淘汰的原因的一项是
A. 古代官府对在河流及湖面放置鱼簖或蟹簖有所限制。
B. 近代以来，人工养殖业的兴起。
C. 五代以后，钱塘江的鱼蟹经西湖而洄流的现象消失了。
D. 杭州都城文化的发展和西湖旅游形象的提升。
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：下列不属于用“簖”捕捉鱼蟹的方法逐渐被淘汰的原因的一项是
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