【单选题】The picnics, speeches, and parades of today' s Labor Day were all part of the first celebration, held in New York City in 1882. Its promoter was an Irish - American labor leader named Peter J. Mcgurie...
A.
a moderate labor leader
B.
an extreme -anarchist in the labor movement
C.
a devoted socialist fighting against exploitation of man by man
D.
a firm anti - capitalist demanding the elimination of wage slavery