— He didn't win the race at last, did he?

— _________, though he tried to run as fast as he could. [      ]

A. No, he didn't

B. Yes, he did

C. No, he did

D. Yes, he didn't

关于血吸虫病与伤寒的鉴别，下列哪一项最有价值( )

A．热程
B．相对缓脉
C．腹痛、腹泻
D．外周血嗜酸性粒细胞显著增多
E．以上都不对