【单选题】

{{I}}Questions 14-16 are based on the following tips to businesswomen. You now have 15 seconds to read questions 14-16.{{/I}} Which of the following is true according to the passage

A、
A、greater percentage of women are advancing professionally in the U.S. than previously.
B．Professional men refuse to accompany their female colleagues on business trip.
C．Each year there are more female tourists in the United States.
D．Businesswomen become successful by showing a willingness to travel alone.