Identify the method used to correct the ambiguous pronoun reference. If the revised sentence does not improve the pronoun reference, choose "No improvement was made." Original sentence: The clock on the shelf that was broken needed to be fixed.

Revised sentence: The broken clock on the shelf needed to be fixed.

The antecedent was repeated.
The pronoun was placed nearer the antecedent.
The sentence was rewritten.
An intensive pronoun was inserted after the ambiguous pronoun.
No improvement was made.