Option 1: (B), (C) and (D) only -> Incorrect because Australia's capital is Canberra (not Melbourne) and Switzerland's capital is Bern (not Geneva).
Option 2: (A) and (C) only -> Correctly identifies that Bridgetown is the capital of Barbados and Berlin is the capital of Germany.
Option 3: (A), (C) and (D) only -> Incorrect because Switzerland's capital is Bern, not Geneva.
Option 4: (B) and (C) only -> Incorrect because Australia's capital is Canberra, not Melbourne.
Hence, Option 2: (A) and (C) only -> Statement (A) is correct as Bridgetown is the capital of Barbados, and statement (C) is correct as Berlin is the capital of Germany. Statement (B) is incorrect because Australia's capital is Canberra (not Melbourne), and statement (D) is incorrect because Switzerland's capital is Bern (not Geneva) -> correct