It’s wise _______ you _______ your child at home alone while it’s also very important _______ him to learn to protect himself.

A．of, to leave, of

B．of, to leave, for

C．for, leave, for

D．for, leave, of

品牌忠诚的测定方法有多种，其中根据消费者对某类产品与其它产品购买联系的历史资料确定的忠诚度方法称为货币测定法。