Choose the sentence in which the relative clause contains exactly one expression for the bicycles.
The bicycles which we repaired them are ready.
The bicycles that we repaired them are ready.
The bicycles which we repaired are ready.✓Respuesta correcta
The bicycles we repaired them are ready.
Explicación
Which represents the bicycles as the object of repaired, so the clause is complete without them. The version adding them is the closest distractor because it repeats the antecedent in the same object position.