The correct answer is (d) Luxemburg.
A landlocked country is a country entirely surrounded by land and does not have a coastline. Afghanistan, Liberia, and Laos are all landlocked countries. Luxemburg is a country in Western Europe that is bordered by Belgium, France, and Germany. It is not a landlocked country because it has a coastline on the Moselle River, which flows into the Rhine River.
Afghanistan is a landlocked country in Central Asia. It is bordered by Pakistan to the east and south, Iran to the west, Turkmenistan, Uzbekistan, and Tajikistan to the north, and China to the northeast. Afghanistan has a population of about 38 million people and its capital is Kabul.
Liberia is a country in West Africa. It is bordered by Sierra Leone to the west, Guinea to the north and east, and Côte d’Ivoire to the southeast. Liberia has a population of about 4.8 million people and its capital is Monrovia.
Laos is a landlocked country in Southeast Asia. It is bordered by Myanmar to the northwest, China to the northeast, Vietnam to the east, Cambodia to the south, and Thailand to the west. Laos has a population of about 7 million people and its capital is Vientiane.
Luxemburg is a small country in Western Europe. It is bordered by Belgium to the west, France to the south, and Germany to the east. Luxemburg has a population of about 630,000 people and its capital is Luxembourg City.