I became nostalgic when I saw the children swinging in the playground.
" I have a dream that my four little children will one day live in a nation where they will not be judge by the color of they skin but by the content of their character".
Extended metaphor is the answer
I see it both as a and c, but ill most likely go with a.
I don't know if it means slice as in a piece or as a cut, but the other 2 options talks about pizza so it probably means a piece. The most likely answer is a.