I think is C because in the text it's the main idea.
About 11% was african before 1770s
Cooking is a skill that you obtain through long days of practicing, for some it comes easy, for others not so much. Back nearly 5000 years ago men sat in caves cooking with sticks and stones and now we evolved and have so much knowledge and so many different ways of preparing food. More goes into it than throwing in a egg and some flour.. There are many actions you have to do as well such as stirring, mixing , and baking. My conclusion being that cooking is difficult .
Modern life is lonely,gloomy,and unnatural.
