If this be error and upon me proved, I never writ, nor no man ever loved.

These lines are an example of a/an
a. quatrain
b. octet
c. couplet
d. sestet

1 answer

If it is originally written in two lines, it's a couplet.

quatrain = 4 lines together
octet = 8 lines together
couplet = 2 lines together
sestet = 6 lines together