is this the same question? if it is then this is the answer
I say the answer may be blissful.
It's A. The subject is concern for the continued existence of the panther (the concern is what the sentence is about), and the phrase 'Because the panther is endangered already' comes before it.
Answer:
Having integrity is the skill of being honest, and staying true to the right morals. Having integrity means you do the right things and not the bad things.
Integrity is also described in hardworking people, who are responsible and try their very best to do a task. People who are selfless, and patient also have strong integrity. Lastly, helping a person in need is called integrity.