—Would you like to go to the zoo, Tony? I hear there is a kangaroo from Australia in the zoo.

—_____.  [ ]

A. Yes, please.

B. Yes, I am.

C. That's a good idea.

D. Are you?

某医生在门诊值班时发现一霍乱患者，必须在哪一个规定时限内报告

A．城镇于12小时内，农村于24小时内
B．城镇于6小时内，农村于12小时内
C．城镇于6小时内，农村于24小时内
D．城镇于12小时内，农村于12小时内
E．城镇于12小时内，农村于36小时内