The following are three ads.
Driver Wanted
1. Clean driving license
2. Good-looking
3. Age over 25
Apply (申请) to: Capes Taxi, Shenzhen
Tel: 0755-6561382
Air Hostess(空姐) Wanted
1. Age between 20 and 33
2. Height from 1.6m to 1.75m
3. Two foreign languages
4. College graduate
Apply to: China airlines, Beijing
Tel: 010-88488970
Teacher Needed
For private language school
Teaching experience necessary
Apply to: Instant Languages Ltd, Dalian
Tel: 0411-4313861
Which of the following is not mentioned in the three ads（）
A．Hostess
B．driver
C．teacher
D．doctor