阅读理解（共40小题，100分）If the ship is sinking, do you save yourself or risk your life to save others? The answer, it seems, depends on how long the sinking takes. If there's enough time, you can switch from adrenalin (肾上腺素)-driven self-preservation (自我保护) to conscience (良知，良心)-driven self-sacrifice.The viewpoints come from a new comparison of survival data from the sinking of the Titanic in 1912 with the loss of 1517 lives out of 2207, and the sinking of the Lusitania three years later, which killed 1198 passengers out of 1949.The main difference between the two sinkings was time: it took two hours and 40 minutes for the Titanic to go down, while the Lusitania sank in just 18 minutes. The result: a huge difference in survivor descriptions.36. What is the main idea of the passage?A Men's responsibilities in times of danger.B The human instinct in time of disaster.C Similarities and differences between two ship sinkings.D Causes for passengers' different behaviors in a ship sinking.

阅读理解（共40小题，100分） If the ship is sinking, do you save yourself or risk your life to save others? The answer, it seems, depends on how long the sinking takes. If there's enough time, you can switch from adrenalin (肾上腺素)-driven self-preservation (自我保护) to conscience (良知，良心)-driven self-sacrifice. The viewpoints come from a new comparison of survival data from the sinking of the Titanic in 1912 with the loss of 1517 lives out of 2207, and the sinking of the Lusitania three years later, which killed 1198 passengers out of 1949. The main difference between the two sinkings was time: it took two hours and 40 minutes for the Titanic to go down, while the Lusitania sank in just 18 minutes. The result: a huge difference in survivor descriptions. 36. What is the main idea of the passage? A Men's responsibilities in times of danger. B The human instinct in time of disaster. C Similarities and differences between two ship sinkings. D Causes for passengers' different behaviors in a ship sinking.