A:
People met me at the party and they were friendly.
B:
A waiter served us and he was very polite.
C:
My father, a man, is waiting for a bus.
D:
Sita's uncle is the man selling newspapers.
E:
My uncle answered the phone.
I'm pretty sure its C. Crude means not yet processed or refined. It makes the most sense.
Analysis is the part in which the author explains why they used a particular piece of evidence
It's to separate 2 independent clauses.
What is the question? I'm not sure whT you're asking but all of those facts are true.