In the following questions, each set presents two sentences with two blanks. Select the most appropriate pair from the options provided to complete both the sentences and ensure coherence. (

• I The philosophy of the ancient empire was built on the belief that the world was governed by ___________________ forces, which remained ___________________ to human understanding. (I
• I The novel delved into the ___________________ themes of existence and time, exploring the ways in which human beings are constantly ___________________ by the passage of years.