Which sentence correctly uses a relative pronoun in a non-restrictive relative clause?

Answer and explanation

Correct answer: D. The Hubble Space Telescope

  1. Step 1: Non-restrictive clauses provide non-essential information and must be set off by commas. Step 2. In standard written English, 'which' is used for non-restrictive clauses, while 'that' is restricted to restrictive clauses without commas. Answer: The Hubble Space Telescope Why not the others: 'that' cannot be used in non-restrictive comma clauses.

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