Answer:
C. slow, uneven growth until the 1800s, then increasingly rapid growth
Step-by-step explanation:
Before the 1800s technologies still haven't been developed in health and agricultural sector. This make it easy for people to die because of hunger and illness.
In the 1800s, industrial revolution start to create massive food surplus for the people around the world. It also enable the development in medical technologies that lead to the creation of many cure for illness that could easily killed people in the past.