Which sentence uses verbal irony? (5 points)

a.) jason pulled his parka tight, brushed the ice crystals from his beard, and said "perfect day for a swim."

b.) "we're all glad this day is over, i think," said bryon as they all watched the sun set boldly in the west.

c.) mackey made her way to the only open check-out lane behind 10 others, saying "might as well."

d.) 'we can only hope the situation will change," said joshua as he prepared to change offices again.