I’ll will mark you as brainliest. Plz help ASAP!! The graph shows levels of carbon dioxide (CO2) in Earth's atmosphere over the last 400,000 years.

Based on the data in the graph, what can be said about current carbon
dioxide levels?

A. They are at the high point of a natural, repeating cycle.
B. They are no different from levels in the past.
C. They are far higher than the highest natural levels.
D. They are much lower than normal.