Given below are two statements, one labeled as Assertion (A) and the other labeled as Reason (R). **Assertion (A):** The political partnership of Dr. Sri Krishna Sinha and Anugrah Narayan Sinha is widely regarded as the 'Golden Era' of Bihar's industrial and infrastructural development. **Reason (R):** Despite their intense political rivalry and representation of different caste groups, they collaborated effectively to establish major public sector projects like the Barauni Refinery and Hatia Heavy Engineering Corporation.

Options:

• A: Both A and R are true and R is the correct explanation of A
• B: Both A and R are true but R is not the correct explanation of A
• C: A is true but R is false
• D: A is false but R is true

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