Abdul wants to create a header for a web page and enters this line: </h1>Welcome to Abdul's webpage!</h1>, but the title is smaller than what was expected. What is the problem?

A. There is too much text for HTML to treat it as a header
B. Headers need to begin with the <header> tag
C. The first tag should not have a slash
D. Headers cannot contain exclamation points

C. The first tag should not have a slash

The correct format for a header tag in HTML is <h1>Welcome to Abdul's webpage!</h1>. The opening tag should have <h1>, not </h1>.