Which answer best identifies a rhyming couplet?

But only so an hour.

Then leaf subsides to leaf.

I told my wrath, my wrath did end.
I was angry with my foe:

Night and morning with my tears:
And I sunned it with smiles,

And into my garden stole
When the night had veiled the pole;

How does national geographic allow subjectivity and bias to appear in its video about the flu? a. it uses second-person narration to make the viewer feel guilty for not getting a flu shot. b. it uses the testimonial of a doctor who feels very strongly that all americans should be vaccinated. c. it includes an advertisement for an over-the-counter flu medication. d. it uses onminous music and a blue filter to make the video more frightening.