Đâu là tag tạo ra liên kết (links) trong web

A. <a url="http://www.w3schools.com">w3schools.com</a>

B. <a>http://www.w3schools.com</a>

C. <a href="http://www.w3schools.com">w3schools</a>

D. <a name="http://www.w3schools.com">w3schools.com</a>