---Didn’t you go to the zoo last Sunday?

---_______. I stayed at home all day.

A．Yes, I did.

B．Yes, I didn’t

C．No, I didn’t

D．No, I did.

学员带有消极情绪时，教练员应注意防止其注意力不集中、动作失误增加等带来的危险，制止其开“斗气车”。