She <span>had been working</span> on the project for 2 days before she finished it. So B is the only right one as it's a continuous action before an action with an exact defining past perfect continuous. Also there's a key word "for" that can help us to find out the tense.
Answer: They took him in his old age and tied him up until the colonel gave the orders to kill him. You just studied 7 terms
<span>Taylor Greer is gutsy and practical. She views her hometown as stifling and tiny, and she decides she wants to avoid the trap of an early pregnancy and make her escape to a more interesting life. Taylor’s spirited, quirky voice shapes the novel. She perceives things in an original fashion, communicating her wonder at the customs and landscape of the Southwest with unusual metaphors and folksy language. Taylor settles in Tucson, Arizona, because its landscape strikes her as outlandish; newness and amusement appeal to her more than comfort or familiarity. As she contends with dangerous poverty, an unasked-for child, and many other trials, Taylor’s wit and spirit remain intact.</span>
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