20. Generally speaking, formal poetry is defined as poems that follow specific A. themes. B. rhymes. C. form. D. alliteration.

The correct answer is C. form.<br /><br />Formal poetry is defined as poems that follow specific forms. These forms can include various structures, such as sonnets, haikus, or limericks, which have specific rules regarding the number of lines, syllables, and rhyme schemes. The form of a poem provides a framework that guides the poet in creating a structured and organized piece of writing.