单项选择题

B
Read the following advertisements(广告), then choose the right answer.
Driver wanted
a) Clean driving license (驾照).
b) Must be of smart appearance.
c) Aged over 25.
Apply to: Capes Taxi, 17 Palace Road, Roston.
Air hostesses(空姐) for International Flights Wanted
a) Must be between 20 and 33 years old.
b) Height 1.6 to 1.75.
c) Education to GCSE standard(标准), two languages, must be able to swim.
Apply to: Recruitment office, Southern Airlines, Heathrow Airport West, HR 39.
Teachers Needed
For private language school.
Teaching experience unnecessary.
Apply to: The director of Studies, Instant Language Ltd. , 289 Canal Street, Roston.
Which of following is true according to the three advertisements()

A.Those wanted in the advertisements must be nice and attractive in appearance.
B.Teaching experience is very important in the advertisement given.
C.Age and height are the most important of all for an air hostess.
D.None of the jobs need special requirements.