I failed my english test there was a couple of questions I had wrong and I need an explanation why

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.

I choice b and I got it wrong

line "I wandered lonely as a cloud" is an example of

A. a metaphor.
B. a simile.

C. a couplet.

D. alliteration.
choice c

In "Shall I Compare Thee to a Summer's Day?" Shakespeare claims that the object of his sonnet will be immortal because

A. he'll always love her.
B. she's for all seasons.

C. she'll live on in his poem.

D. she's like the summer's day.
choice d

Which one of the following sentences is an example of a metaphor?

A. I am a rock.
B. She eats like a bird.

C. I'm as hungry as a wolf.

D. The breeze blew the branches back and forth
choice c

1 answer

1. It's a couplet.
http://www.dmturner.org/English/Poetry/elements.htm#stanza

2. It's a simile - the word "as" tells you so.
http://en.wikipedia.org/wiki/Simile

3. Read the very last line in the poem:
http://www.artofeurope.com/shakespeare/sha3.htm
What do you think the word "this" means?

4. Metaphors do NOT have "like" or "as" in them and they do not state facts. "A" is the metaphor.
http://www.answers.com/metaphor