Which best identifies the underlined clause?

The Egyptologist,( who had worked with the business person), was convinced that King Tut's tomb was in the Valley of the Kings.

A.
independent clause

B.
adjective clause

C.
adverb clause

D.
noun clause

Question

Which best identifies the underlined clause? 

The Egyptologist,( who had worked with the business person), was convinced that King Tut's tomb was in the Valley of the Kings.
  
 
 

 
 

  

  A. 
  independent clause   
   

 
 

  

  B. 
  adjective clause   
   

 
 

  

  C. 
  adverb clause   
   

 
 

  

  D. 
  noun clause

deercult · Answer

Well, it's not independent.
It doesn't work as a noun...
And it doesn't describe an action.

I think it's an adjective clause, since it's describing the Egyptologist.