A couplet is two consecutive lines of poetry that usually rhyme (as . However, Shakespeare often used them at the end of his sonnets to sum up the main points.
For example:
"Blessed are you whose worthiness gives scope,
Being had, to triumph; being lacked, to hope." - Sonnet 52
"You still shall live, such virtue hath my pen,
Where breath most breathes, even in the mouths of men." - Sonnet 81
Considering the afore-mentioned, the appropriate option would be A.
