Answer:
Borderline
Explanation:
Borderline disorder maybe seen in some quarters as a form of mental disorder which is often characterized by a very strong mental instability, that is a very quick swing in behavior or character towards a particular person or phenomenon. Borderline disorder are usually chronic and has no established permanent cure. Like described in the question above, patients suffer from very abrupt change in feeling which is strange and hence, it's relation or inclination towards mental disorder or ailment.
A. an inference cue hope this is the answer
The given statement is true as the evolutionary theorists accepted that the growth of the societies was based on the similar or different stages of social development.
<h3>What is social development?</h3>
Social development refers to the betterment of the standard of living of the people residing in the society.
In the year the 1800s, there was no theory that fully describes the aspects relating to changes in societies. As a result, the theorists trusted that societal growth entirely depends on similar or distinct stages of social development.
Therefore, the theories of the 1800s explained the distinct or same stages of social development which would be the result of the growth of societies.
Learn more about the social development in the related link:
brainly.com/question/1651136
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Optimistic? This would be my best guess given the lack of information.