Which line from "the golden cat" contains a metaphor? he stretches forth his paw at dawn and though the blinds are closely drawn he smiles into the hayloft dim and the brown hay smiles back at him, how dull our world would be, and flat, the never tired smiling one that human people call the sun.

He stretches forth his paw at dawn and thought the blinds are closely drawn.

The third one should be a preposition

Explanation:

Here is a list of commonly used prepositions: above, across, against, along, among, around, at, before, behind, below, beneath, beside, between, by, down, from, in, into, near, of, off, on, to, toward, under, upon, with and within.