When the unemployment rate is high, the crime rate...

Câu hỏi: When the unemployment rate is high, the crime rate is usually also  high.

A. The unemployment rate and the crime rate are both  high.  

B. The unemployment rate is as high as crime  rate.

C. The high rate of unemployment depends on the high rate of  crime.

D. The higher unemployment rate is, the higher crime rate  is.