One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region?

The Cuvette Centrale in the Congo Basin (Central Africa) was discovered in 2017 to host the world's largest tropical peatland complex, covering about 145,500 sq km across the Republic of Congo and the Democratic Republic of Congo. This peatland is estimated to store about 30 billion tonnes of carbon — equivalent to approximately three years of global fossil-fuel emissions. Its destruction through drainage or fire would release massive amounts of CO2 with severe global climate consequences. The Amazon Basin also has peatlands but on a smaller scale.