Official Answer Key & Detailed Solution
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Correct Answer: Option (C) — A-2; B-3; C-4; D-1
Concept & Option Breakdown
Standard Reference Verified- Chevron (A-2): Multinational energy corporation primarily involved in oil and gas.
- AT&T (B-3): Major telecommunications conglomerate providing telephone and internet services.
- AMD (Advanced Micro Devices) (C-4): Semiconductor company designing microprocessors and graphics processors.
- Enercon GmbH (D-1): German manufacturer of wind energy turbines.
AMD is globally renowned as a microprocessor maker (C-4). Linking C-4 immediately narrows down choices to (a) and (c). Since Chevron is an oil company (A-2), (c) is confirmed.
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