From which of the following lines can readers infer that marge piercy, the poet who wrote “to be of use,” views hard work as an activity that is worthwhile?
”the black sleek heads of seals” ”bouncing like half-submerged balls.” ”who do what has to be done, again and again.” ”who are not parlor generals and field deserters”

From ”who do what has to be done, again and again” line, readers can infer that Marge Piercy, the poet who wrote “To Be of Use,” views hard work as an activity that is worthwhile. This line is from the second verse of "To Be of Use" poem. This verse described that people become addicted to hard work because of the benefit that hard work gives.