I think it is C. <span>Obstacles make us stronger, because a theme is the central idea of the story but D also kinda sounds like a theme.
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Not really sure...mmm
A or...D
but i have no idea i hope this helped!
Answer: It depends because altruism has many different definitions depending on what subject your studying.
Explanation: If you want to know how the term is used in daily life altruism means to be selfless. In Psychology terms altruism means a person who puts others well being before themself. In Biological terms altruism is survival of a species.
Hope this helps you hun