The correct answer is A. repetitive.
Monotonous work is work that is repetitive and does not require much thought or creativity. It can be tiring and boring, and it can be difficult to stay motivated when doing monotonous work.
Exhausting work is work that is physically or mentally demanding. It can be tiring and can leave you feeling drained.
Irksome work is work that is annoying or frustrating. It can be difficult to do irksome work, and it can make you feel stressed or unhappy.
Autonomous work is work that is self-directed. It is work that you are free to do as you please, without being supervised or controlled by others.
In the context of the question, the weavers have to do work that is repetitive and does not require much thought or creativity. This is because they are weaving cloth, which is a process that involves repeating the same steps over and over again. This type of work can be tiring and boring, and it can be difficult to stay motivated when doing it.