Differentiate between ‘can’ and ‘could’ in terms of expressing possibility.
A. ‘Can’ is used for future possibilities, while ‘could’ is used for present possibilities
B. Both ‘can’ and ‘could’ are used to express possibility, but ‘can’ is used for present or future possibilities, while ‘could’ is used for past or conditional possibilities.
C. ‘Could’ is used for future possibilities, while ‘can’ is used for past possibilities
D. Both ‘can’ and ‘could’ are used for past possibilities only

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