Answer:
A. humid subtropical
Step-by-step explanation:
Papua is located in the southern hemisphere, north of Australia, in the tropics, hence the reason for its year-round tropical climate, which includes a period of heavy rains from June to September, and temperatures between 25 and 30 degrees. celsius on average all year round.
In Papua New Guinea you will find a warm coastal climate of around 25 degrees per year on average, while inland, at altitude, they drop slightly and you will find more humidity. On the tops of Papua you may find it sometimes at very low temperatures, although throughout the island, the temperature is rarely below 19 degrees Celsius.