The answer is A because theres nothing else to modify.
B. All of these
Because you need to think of the central point, you need to know how long to make your essay, and you need to plan out your topic sentences and supporting details.
Include important facts and details about global warming
Research all there is to know about climate change
research how climate change is contributing to the earth
It is C A women tries to survive in the wilderness after being stranded in a plane crash