Which sentence in this excerpt from ambrose bierce's “an occurrence at owl creek bridge” refers to the reality of farquhar’s situation in the dream sequence he envisions?
a. they tore it away and thrust it fiercely aside, its undulations resembling those of a water snake.
b. his neck ached horribly; his brain was on fire, his heart, which had been fluttering faintly, gave a great leap, trying to force itself out at his mouth.
c. they beat the water vigorously with quick, downward strokes, forcing him to the surface..
d. he felt his head emerge; his eyes were blinded by the sunlight; his chest expanded convulsively, and with a supreme and crowning agony his lungs engulfed a great draught of air, which instantly he expelled in a shriek!