— 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

我们有时会说“激动得心都要跳出来了”，你有过此感受吗？当你情绪激动时，你的大脑皮层就会特别兴奋，并进一步促使__________分泌较多的__________，使你心跳加快，血压升高，可见激素对生命活动的调节是在__________的调节控制下。