Answer:
1. When an object of the class is passed (to a function) by value as an argument.
2. When an object is constructed based on another object of the same class.
3. When compiler generates a temporary object.
Explanation:
<span>Spreading Activation
This is a model of working memory, which can be otherwise called here and now memory in lay man's term, that tries to clarify how the mind forms related thoughts, particularly semantic or verbal ideas. The spreading enactment show is one way intellectual clinicians clarify the preparing impact, which is the noticeable wonder that a man can all the more rapidly review data about a subject once a related idea has been presented. As indicated by this model, semantic long haul memory comprises of a huge, interrelated system of ideas. At the point when a man is given any idea, the ideas most firmly associated with it are initiated in that individual's psyche, getting ready or "preparing" him or her to review data identified with any of them</span>
D is the answer to that problem
