Explanation
The host country of the 2018 Commonwealth Games was Australia.
The 2018 Commonwealth Games, also known as the XXI Commonwealth Games, was a multi-sport event held on the Gold Coast in Queensland, Australia, from April 4 to 15, 2018. The event featured 71 teams from countries and territories affiliated with the Commonwealth of Nations, competing in 275 events across 19 sports.
Australia has hosted the Commonwealth Games four times before - in Sydney in 1938, Perth in 1962, Brisbane in 1982, and Melbourne in 2006. The 2018 Commonwealth Games was the fifth time that Australia has hosted the event.
Therefore, option D: Australia is the correct answer.
The host country of the 2018 Commonwealth Games was Australia. Here is the list of past and current hosts of the Commonwealth Games in order:
Hamilton, Canada - 1930
London, England - 1934
Sydney, Australia - 1938
Auckland, New Zealand - 1950
Vancouver, Canada - 1954
Cardiff, Wales - 1958
Perth, Australia - 1962
Kingston, Jamaica - 1966
Edinburgh, Scotland - 1970
Christchurch, New Zealand - 1974
Edmonton, Canada - 1978
Brisbane, Australia - 1982
Edinburgh, Scotland - 1986
Auckland, New Zealand - 1990
Victoria, Canada - 1994
Kuala Lumpur, Malaysia - 1998
Manchester, England - 2002
Melbourne, Australia - 2006
Delhi, India - 2010
Glasgow, Scotland - 2014
Gold Coast, Australia - 2018
Birmingham, England - 2022 (upcoming)
Therefore, the host country of the 2018 Commonwealth Games was Australia, and the next host country of the 2022 Commonwealth Games will be England.
