Answer:
The correct answer is letter b, cuneiform.
Step-by-step explanation:
This system was first designed around 3500 BC in Mesopotamia. Cuneiform writing was invented by ancient Sumerians, according to Ancient History Encyclopedia. Cuneiform writing was done with a stylus, which was pressed into a piece of soft clay in order to "write" pictographs that represented words. Even it was created by them, Sumerians were not the only ones to use this system: Assyrians, Babylonians, and Akkadians could be counted among the users of cuneiform writing.