Read the following passage from Zora Neale Hurston's "How It Feels to be Colored Me":
Even in the helter-skelter skirmish that is my life, I have seen that the world is to the strong regardless of a little pigmentation more or less. No, I do not weep at the world- I am too busy sharpening my oyster knife.

What literary device is being used here

A. Extended metaphor
B. Metaphor
C. Synesthesia
D. Allusion