Which is a run-on sentence?

A.
I walked the dog to the park, but it was closed.

B.
I swam in the pool; it was very refreshing.

C.
I listened to the new song, and it is very good.

D.
I heard the weather report, it is going to rain.

Question

Which is a run-on sentence?  
 
  


  

  A. 
  I walked the dog to the park, but it was closed.   
    


  

  B. 
  I swam in the pool; it was very refreshing.   
    


  

  C. 
  I listened to the new song, and it is very good.   
    


  

  D. 
  I heard the weather report, it is going to rain.

anonymous · Answer

d , cause it's just joined by a comma . it either needs a period , a conjunction or semi colon .

anonymous · Answer

d