Since I went to senior high school, ______ (我的生活有了一些重要的变化).

A．Innovative programmes using multiple approaches should be set up to reduce the level of unemployment.
B．A compromise should be found between the positions of those who view joblessness an evil greater than economic control and those who hold the opposite view.
C．New statistical indices should be developed to measure the degree to which unemployment and inadequately paid employment cause suffering.
D．Consideration should be given to the ways in which statistics can act as partial causes of the phenomena that they purport to measure.