Answer:
a metamorphic rock, so c or d, then narrow it down to c.
Step-by-step explanation:
Examples of non foliated rocks include: hornfels, marble, novaculite, quartzite, and skarn. Photographs and brief descriptions of some common types of metamorphic rocks are shown on this page. Gneiss is a foliated metamorphic rock that has a banded appearance and is made up of granular mineral grains.