Given the transformation from Figure A to Figure B where: The top symbol (μ) is replaced by the next Greek alphabet symbol (β). The bottom symbol (A) ...

Given the transformation from Figure A to Figure B where:

• The top symbol (μ) is replaced by the next Greek alphabet symbol (β).
• The bottom symbol (A) is replaced by the next two letters in the English alphabet (AA).
• The two vertical lines on the left and right are replaced by two curved lines.

Following the same pattern, from Figure C to Figure D:

• The top symbol (θ) is replaced by the next Greek alphabet symbol (α).
• The bottom symbol (P) is replaced by the next two letters in the English alphabet (PP).
• The two horizontal lines on the left and right are replaced by two vertical lines.

Which figure should replace Figure D?