If you are planning to apply for employment with a particular company it is indeed important to research the company's background. The reason why you should be aware of a company's background before you apply is because it's going to effect you and you're professional techniques as you might have the expertise the company would need. If you research the background of a company and it matches you're ability of skills you will be more likely to apply to that company as it will be more beneficial to you and what you have to offer. That is why it is important to be aware of what you are applying for and be further more prepared.
Answer: C) tossing their heads
Explanation: when people toss their heads its usually because they are dancing and people dance when they are happy. Sprightly means like full of joy so therefore the answer would be C
Relevance is ordinarily a necessary condition, but not a sufficient condition, for the admissibility of evidence. For example, relevant evidence may be excluded if its tendency to prove or disprove a fact is heavily outweighed by the possibility that the evidence will prejudice or confuse the jury.