单项选择题
在网页中创建一个如下图所示的表单控件的HTML代码是()
A.<input type="text" name="T1" size="20"> B. <textarea rows="1" name="T1" cols="20"></textarea> C.< input type="radio" value="T1" checked name="R1"> D.<select size="1" name="T1"></select>
A.<html> B.<title> C.<br> D.<p>
A.170.18.128.0/21 B.170.18.128.0/22 C.170.18.130.0/22 D.170.18.132.0/23