Poems can have strict rules and formal wording. Based on the text, which statement gives the best meaning of a heroic couplet?

A A heroic couplet has beauty and organized words.

B A heroic couplet has rhymes with the hero as the theme.

C A heroic couplet has a careful use of meter without rhyme.

D A heroic couplet has groups of two rhyming lines with specific meters