Which two main oases are found in the Middle East?

The two main oases in the Middle East, represented by the correct choice, are closely associated with the Nile River and the Tigris/Euphrates river system. The Nile River, which flows through Egypt, has historically provided sustenance and fertility to the surrounding desert regions, leading to the development of significant agricultural oases. Similarly, the Tigris and Euphrates rivers have supported the lush landscapes of Mesopotamia, which is often referred to as the "Cradle of Civilization." These rivers, flowing through modern-day Iraq and parts of Turkey and Syria, have also fostered important oases that were vital for settlement and agriculture in an otherwise arid environment.

In contrast, the other provided options refer to rivers or regions that are not located in the Middle East, making them irrelevant to the question posed about the primary oases in that specific geographical area.