Which word is a pronoun that renames the subject of this sentence?

marco and pat ate lunch after they hiked the mountain.

a.
marco

b.
pat

c.
they

d.
after

According to scholasticism, truth is god's?

How did the older men calm the younger ones down when they learned from some of the prisoners where they were? (chapter 3 of the book night)

Match the description to the term. 1. textbooks conference usage 2. elements surround a word which clarify the meaning casual usage 3. the way in which english is used context 4. family and friends frozen usage 5. friends at a football game formal usage 6. teachers and employers intimate usage 7. making an appointment usage