The answer is A, "Data about trade and pollution in China"
Explanation: An informative essay is written with the idea of informing an interesting topic, or specific ideas such as globalization, technology, and others. The body paragraph of an informative essay is where a writer discusses the idea by presenting different facts that support and relate the main idea of the topic.
So, for an essay about globalization in China, it is super important to present data about trade and pollution in China because these are important things about globalization. Trading goods and services were important for the globalization to happen and pollution among other things such as economics, politics and, technology are variables of globalization.