【单选题】
You create a Web page that contains the following code.<br /> <img src="https://nimg.ppkao.com/2018-07/lina/2018072616530418505.jpg?sign=52f5647f5cef8c91ce9fd6613ea1c9d9&t=62d711a7" /><br /> You need to ensure that when the user clicks an item in the list， the text color of the "Welcome!" message will change. Which declaration should you use？（）
A、<ul id="color"> <li onclick="changeColor(this.innerText);">Black</li> <li onclick="changeColor(this.innerText);">Red</li> </ul>
B、<ul id="color"> <li onclick="changeColor(this.style.color);">Black</li> <li onclick="changeColor(this.style.color);">Red</li> </ul>
C、<ul id="color"> <li><a onfocus="changeColor(this.innerText);">Red</a></li> <li><a onfocus="changeColor(this.innerText);">Black</a></li> </ul>
D、<ul id="color"> <li><a onfocus="changeColor(this.innerText);">Red</a></li> <li><a onfocus="changeColor(this.innerText);">Black</a></li> </ul>
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