Which is the wrong description of see a doctor in the UK？

A.International students have to pay for healthcare services if they stay for over 6 months.

B.Tourists can have free healthcare services if they stay for over 6 months.

C.For the British， heathcare services are totally free.

D.Normally， seeing a doctor requires appointment.

正确答案：For the British， heathcare services are totally free.