C is the best option here, as the other two alienate the reader.
The answer to your question is:
A) An answer you've already fulfilled
Happy to be of assistance :) <span />
The answer is B. The crystal glass cracked in the sink.
This is a complete sentence because it has a subject (glass) and a verb(cracked).
Answer:
B. For instance
Explanation:
For instance, a company that decides to fire workers may talk of the need for "re-engineering," "restructuring," or "downsizing" its workforce.
The above sentence actually addresses what No. 1 and No. 2 sentences were talking about. This gives an example of what doublespeak truly means. The company have decided to fire workers but they make it look like it is restructuring they are carrying out. So in order to confuse the workers or make their action mild, they attribute it to "restructuring", "re-engineering"