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What does the underlined word mean? I looked after my father after he had a stroke .
A.
stroke (of sth): a single successful action or event
B.
stroke: a sudden serious illness when a blood vessel in the brain bursts or is blocked, which can cause death or the loss of the ability to move or to speak clearly
C.
stroke: a mark made by moving a pen, brush, etc. once across a surface
D.
stroke: a style of swimming