The relative prosperity of the tourists may______.

A．more obligatory activities might take on a recreative aspect
B．more and more people might have access to them
C．an increasing number of recreative activities might be developed
D．recreative activities might be brought into our homes

A．better use of green-space facilities should be made so as to improve the quality of our life
B．attention must be directed to the improvement of recreative possibilities
C．the urban environment is providing more recreative activities than it did many years ago
D．priority must be given to the development of obligatory activities