Read the sentence. An American businessperson discovered a stockpile of King Tut's items that had been hidden in a safe tomb, which had a clay sealing covering it.

Which best identifies the independent clause?



A)
​that had been hidden in a safe tomb


B)
which had a clay sealing covering it


C)
that had been hidden in a safe tomb, which had a clay sealing


D)
An American businessperson discovered a stockpile of King Tut's items