It refers to the process of adapted or using the same concept or practice which the person already knows very well , is referred to as assimilation .
The process thus can be used on other objects or activities as well.
Hence , from the given scenario of the question ,
Kendra tries to use the method as she uses during breast feeding while opening the apple juice , and the juice spills out , showcasing it to be the example of assimilation .
I believe the correct answer is B because you obviously need to see if the person is still alive or not. I'm having second thoughts that it might be A.. I'm not sure which. Hopefully you get it right