He has pointed out that it's a source of income. He's __ this to the villagers.a.shown b.pointed c.noted d.explained请帮我详细分析一下，谢谢!
我认为应选 D 吧!show 指出，展示point 指出，指明note 注意explain 解释，阐明，说明因为题目前半句已经指出了 它是一种财源，所以根据题意，应是向村民解释选 D!
