According to the passage, British women are happy to wear mini-skirts up until an old age because of the following reasons EXCEPT ______.
A．women are more and more confident in their bodies
B．women nowadays pay much more attention to body building, and this provides them with well toned bodies to wear mini-skirts
C．the Climate of Great Britain are getting warmer in recent years, thus women can wear minis for a longer time
D．more and more women are now living on their own