The __________ defines the syntax of markup constructs and include

the-defines-the-syntax-of-markup-constructs-and-include

The __________ defines the syntax of markup constructs and include additional definitions such as character entity references.

A. Attributes

B. SGML

C. Elements

D. DTD

The question was asked in exam.

Enquiry is from Reading a Document Type Definition topic in division HTML Fonts, Tags and Elements of HTML

Right option is D. DTD

Best explanation: SGML (Standard Generalized Markup Language) is a standard for how to specify a document markup language or tag set. Property of an element is defined by the attribute. The DTD defines the syntax of markup constructs. The DTD may include additional definitions such as character entity references.