Expand on the idea by researching it
1: Subordinate
2: Subordinate
3: Main
4: Subordinate
5: Main
6: Subordinate
7: Main (I believe)
8: Main
9: Subordinate
10: Subordinate
The subordinate clauses cannot stand on their own: they leave a hanging question. The majority of them also start with a coordinating conjunction, and that's a common thing in subordinate clauses. The main clauses can stand by themselves, as it can be seen as a whole sentence.
The correct option is C.
The Aborigines are people who are members of the Aboriginal race of Australia. The Aborigines have been experiencing marginalization for a very long time. They were evicted from their traditional homes and many live in abject poverty; the government of Australia does not seem to know that they exist because they don't usually feature in any government policy. But things have changed now and the government is trying to incorporate them back into the Australian society.<span />
Answer:
The author wants us to understand the extent of the pain that the speaker feels.