( )6 Why are the large UK supermarket chains diversifying? _____________.
  A. Because the retail food market in the UK has been occupied by foreign companies.
  B. Because the retail food market in the UK is saturated.
  C. Because the retail food market in the UK is quite small.
  D. Because diversification into new markets can promote the growth of the retail food market in the UK.
出自:青岛理工大学人力资源管理