Which phrase from Marge Piercy’s “To Be of Use” best illustrates the poem’s celebratory tone toward hard work?

I want to be with people who submerge
in the task, who go into the fields to harvest
and work in a row and pass the bags along,
who are not parlor generals and field deserters
but move in a common rhythm
when the food must come in or the fire be put out.
A. “who go into the fields”
B. “parlor generals and field deserters”
C. “move in a common rhythm”
D. “food must come in”

C. “move in a common rhythm”

The phrase from Marge Piercy’s “To Be of Use” that best illustrates the poem’s celebratory tone toward hard work is C. “move in a common rhythm.”