A vegetable crop expert advised ______ (将这些蔬菜放置在可以接受八到十个小时日晒的地方 ) a day.

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.

A．the Greeks had no means of recording the results
B．details such as the time were not recorded in the past
C．they are much better
D．they are much worse