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

Workers found a door that they could not open.

A.
direct object

B.
subject

C.
object of a preposition

D.
possessive

Question

What is the function of the relative pronoun in the clause? 

Workers found a door that they could not open.
	
	
 
A.
	direct object
	
 
B.
	subject
	
 
C.
	object of a preposition
	
 
D.
	possessive

destinymasha · Answer

what's underlined?

anonymous · Answer

nothing is underlined

anonymous · Answer

and i know someone who can help @NeonStrawsForever

anonymous · Answer

@speartonion 
Um, not to be rude, but...... you do realize this is a year old?

anonymous · Answer

yea but i'm on the same one as he was on...so yea

anonymous · Answer

so can you help @NeonStrawsForever :)

anonymous · Answer

Um....You can always copy the question and post it again. I don't want to disturb the ones up above us.

anonymous · Answer

ok