49. "Feel out of sorts", as it is used in the second paragraph, could best be replaced by (   ).

• A、put things in order
  
  

• B、are in a bad mood
  
  

• C、search for tranquilizers
  
  

• D、want a mood-raiser
  
  

53. (    )

16. The concert has already begun. You should have come a little bit (   ). 

• A、early
  
  

• B、much earlier
  
  

• C、more earlier
  
  

• D、earlier