What does the author think of the role of music?

• A、It is important for dealing with social crises.
  
  

• B、It may offer children future job opportunities.
  
  

• C、It is fundamental to the growth of a child.
  
  

• D、It can help children learn core subjects.
  
  

60.(  )

Cultural exchange plays an important role（）promoting relation between the two countries.

• A、 in
  
  

• B、on
  
  

• C、at
  
  

• D、to