听下面一段较长对话，回答以下小题。
【小题1】Why does the woman call Dr.Brown’s Office?

A．To keep an appointment.

B．To delay an appointment.

C．To cancel an appointment.

【小题2】What should the woman do to avoid being charged?

A．Call a day in advance.

B．Call two days in advance.

C．Call three days in advance.

【小题3】What do we know about the woman?

A．She can’t meet Doctor Brown for her catching a bad cold.

B．She will be charged for 24 dollars for the delayed cancelling.

C．She has made another appointment for her understanding.