--- I can hardly hear what it is saying on TV. Would you please     ? --- OK.

A．turn it down

B．turn it up

C．turn it on

D．turn it off

领队在境外购物服务中，对地陪安排购物的时间和次数，领队应根据合同进行必要的限制，尤其要阻止非计划内的购物安排。