Answer:
A. The former display preferred orientation and/or compositional banding, whereas the latter do not.
Explanation:
Foliated metamorphic rocks -
These type of rocks have a banded or layered appearance which is developed due to heat and pressure , the examples are slate , schist , phyllite , gneiss .
Non - Foliated metamorphic rocks -
These type of rocks do not have any banded or layered appearance , the example of non - Foliated metamorphic rocks are - novaculite , quartzite , marble , hornfels .