Many workers are employed in the agricultural sector of developing countries because
The correct answer is: A
Explanation
Many workers are employed in the agricultural sector of developing countries because labour intensive method is mostly adopted.
In developing countries, the agricultural sector is often the most labor-intensive sector of the economy. This is because the land is often not suitable for mechanized farming, and the labor force is often abundant and relatively inexpensive.
As a result, the agricultural sector employs a large number of people, even though it is not the most productive sector of the economy. This is why many workers are employed in the agricultural sector of developing countries.