Which lines from Craft and Structure most clearly mark the shift from sarcastic/ironic to outraged/accusatory?

A. His head is crowned with a helmet of mud. / He wears it well. (lines 13–14)
B. He has set a new style in clothing; / He has introduced the chic of mud. (lines 16–17)
C. This is the hymn of the mud—the obscene, the filthy, the putrid, / The vast liquid grave of our armies. (lines 32–33)
D. The beautiful glistening golden mud that covers the hills like satin; / The mysterious gleaming silvery mud that is spread like enamel over the valleys. (lines 48–49)