What is the function of the relative pronoun in the adjective clause?

Have you seen the picture that Julie painted?

A.
possessive

B.
direct object

C.
subject

D.
object of a preposition
pls help @bibby @ganeshie8 @nincompoop

Question

What is the function of the relative pronoun in the adjective clause? 

Have you seen the picture that Julie painted?
  
 
 

 
 

  

  A. 
  possessive   
   

 
 

  

  B. 
  direct object   
   

 
 

  

  C. 
  subject   
   

 
 

  

  D. 
  object of a preposition 
pls help @bibby @ganeshie8 @nincompoop

anonymous · Answer

B. Direct object.

The sentence neither shows that it is possessive,  an object of preposition or a subject.