The nurse is teaching parents how to reduce the spread of impetigo. The nurse should encourage parents to （）.

A．teach children to cover mouths and noses when they sneeze.

B．have their children immunized against impetigo.

C．teach children the importance of proper hand washing.

D．isolate the child with impetigo from other members of the family.

处分抵押的土地使用权所得金额，应首先支付的费用是______。

A．偿还抵押权人的债权本息及支付的违约金
B．抵押的土地使用权应缴纳的税费
C．处分抵押的土地使用权的费用
D．该宗土地使用权有偿取得应缴纳的土地出让金