You create a Web page that contains the following code. 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>