The correct answer is: A) Granite.
Granite is a common type of igneous rock that is composed of quartz, feldspar, and mica. It is a hard, durable rock that is often used in construction. Telangana has significant reserves of granite, which is used in the construction of buildings, roads, and other infrastructure.
Marble is a type of metamorphic rock that is composed of calcium carbonate. It is a soft, white rock that is often used in the construction of buildings and sculptures. Telangana does not have significant reserves of marble.
Copper is a type of metal that is often used in the construction of electrical wiring and plumbing. Telangana does not have significant reserves of copper.
Iron ore is a type of mineral that is used in the production of iron and steel. Telangana does have significant reserves of iron ore.
In conclusion, the correct answer to the question “Telangana has significant reserves of this building material: A) Granite B) Marble C) Copper D) Iron ore” is A) Granite.