Intrusive Igneous Rocks Are Often Coarse- Grained Because ______

Intrusive igneous rocks are often coarse- grained because ______.

A) the slow cooling at depth allows large crystals to grow
B) the uplift process that exposes the rock fractures them and makes them rough
C) small holes from escaping gases leave them rough and coarse
D) the pressures at depth cause them to have a rough texture