Final answer:
The invention of the wheel is the oldest accomplishment listed.
Step-by-step explanation:
The answer to the question, 'Which of the following accomplishments did humans acquire first?', is Wheel invention (option D). While the development of writing, agriculture, and metalworking were significant achievements in human history, the invention of the wheel predates these advancements. The wheel is believed to have been invented around 3500 BCE in Mesopotamia, providing humans with a revolutionary tool for transportation and mechanical devices.