To answer this question, we need to understand the historical context of the Lighthouse of Alexandria.
The Lighthouse of Alexandria, also known as the Pharos of Alexandria, was indeed built by the Egyptians. It was constructed during the reign of Ptolemy II Philadelphus, who was a Greek pharaoh ruling over Egypt. However, the actual construction of the lighthouse was carried out by the Egyptian architect Sostratus of Cnidus.
Option A) Egyptians - This option is correct because the Lighthouse of Alexandria was built by the Egyptians.
Option B) Greeks - This option is incorrect because while the ruling pharaoh, Ptolemy II, was Greek, the actual construction of the lighthouse was carried out by Egyptians.
Option C) Romans - This option is incorrect because the Lighthouse of Alexandria was built before the Roman period.
Option D) Persians - This option is incorrect because the Persians did not have any involvement in the construction of the Lighthouse of Alexandria.
The correct answer is A) Egyptians.