单项选择题
Questions 14 to 16 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.Now, listen to the passage.
Henry Durant put forward the idea because he（）
A．had once fought in a war in Italy.
B．had been wounded in a war.
C．had assisted in treating the wounded.
D．had seen the casualties and cruelties of war.