The market for recycled commodities like aluminum and other metals remain strong despite economic changes in the recycling industry.

1. commodities like aluminum and other metals remain
2. commodities like those of aluminum and other metals are remaining
3. commodities such as aluminum and other metals remains
4. commodities, such as aluminum and other metals, remain
5. commodities, like the commodities of aluminum and other metals, remains

搜了原来的解释，有点被说服是E对，是做比较，但是还是不知道C错在哪里，请求达人帮助来～～

我还是觉得答案是C！

E即使是做比较，like+n也应该放在句子前面，而且E的比较对象不一致。