Answer :
the couplet form support the meaning of the lines:
a. by completing the speaker's thought
The correct answer is a. by completing the speaker thought. "To the King's Most Excellent Majesty 1768" is a poem written by Phillis Wheatley. The poem dealt with King George and God. The poem praises King George. In "to the king's most excellent majesty", Wheatley expresses the nation's gratitude to King George III for the repeal of the Stamp Act. Wheatley neoclassical influence is the personification of such abstraction as virtue, recollection, imagination, and humanity.