The present Secretary-General of the UN António Guterres (shown in the picture below) was the Prime Minister of which country?

Portugal

The correct answer is option 1:  Portugal

The UN’s most visible public figure, and representative head, is the Secretary-General. The present Secretary-General is António Guterres. He is the ninth Secretary-General of the UN. He took over as the Secretary-General on 1 January 2017. He was the Prime Minister of Portugal.