Concept:A coarse-grained igneous rock composed mainly of quartz, feldspar, and mica.Explanation:Granite is an intrusive igneous rock that cools slowly beneath the Earth’s surface, allowing large, visible crystals of quartz, feldspar, and mica to form.The other options do not fit:Schist is metamorphic, basalt and rhyolite are fine-grained volcanic rocks.Answer:C. granite