Both A and C are correct.
Isolation means isolated from others, therefore your away from others, or disclosed.
I would say the answer is C
<span>The difference between a sentence and a fragment is that a sentence is a complete thought and can stand on its own, whereas a fragment is incomplete and has to exist within another sentence. Thus, 1. is a sentence. 2. is also a sentence. 3. is a fragment. 4. is a sentence. and 5. is a sentence. Only and skate as fast as possible is a fragment. </span>
Answer:
1 we should stop depending on technology all time
2 would it be possible to rent car at the airport
3 suzy tell me that they want to move in house
4 I studied politics, university, but I decided not to become lawyer
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