Almost simultaneously, with a mighty volition of ungraduated, in

Almost simultaneously, with a mighty volition of ungraduated, instantaneous swiftness, the White Whale darted through the weltering sea. But when Ahab cried out to the steersman seats, and tow the boat up to the mark; the moment the treacherous line felt that double strain and tug, it snapped in the empty air
Questions:
A. What is the title of the novel from which the excerpt is taken? Who is the author?
B. What scene is depicted in this excerpt?
C. What does the white whale symbolize? And why?
【正确答案】：A. Moby Dick/The White Whale. Melville.
B. Whale catching
C. The white whale symbolizes nature for Melville, for it is complex, unfathomable, malignant. and beautiful as well.