Light and darkness are two opposite things being contradicted in this sentence; this is antithesis.
Answer:
When it says, "...made me think of pictures I had seen when a child, of Gulliver, tied down by the pygmies on that island."
Explanation:
The definition of an allusion is: an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.
Answer:
C is the answer because it is going into detail about the poem.
a seal like the thing keeping boxes closed
Explanation: