Multiple choice technology programming languages Choose correct syntax as per w3c standard: .<p>Welcome to r4r</p> .<p>Welcome to r4r</p> .<p>Welcome to r4r</p> .<p>Welcome to r4r</p> Reveal answer Fill a bubble to check yourself B,D Correct answer Explanation W3C standards require proper nesting of HTML elements - block elements like cannot contain inline elements like incorrectly. Option B shows a correctly nested paragraph. Option D is also valid as is an inline element that can contain . The tag is invalid - is self-closing.