The heroic couplet is a pair of

Correct option is B

Heroic couplets are typically written in iambic pentameter, which is a meter that consists of five pairs of unstressed and stressed syllables per line. For example, the following heroic couplet is written in iambic pentameter:
To be, or not to be, that is the question: Whether 'tis nobler in the mind to suffer The slings and arrows of outrageous fortune, Or to take arms against a sea of troubles, And by opposing end them?
This heroic couplet is from William Shakespeare's play Hamlet. It is a famous example of the heroic couplet form, and it illustrates the use of iambic pentameter.
Heroic couplets have been used in English poetry for centuries. They are often used to write about serious or important topics, such as love, war, and death. However, they can also be used to write about lighter subjects, such as humor or satire.