C - no correlation between volume of sales and market share is mentioned in the article, thus it is out of scope
D - is a rare example of unstated assumption in inference questions since we are not told that Microsoft success in 2014 was due to price cuts however this is the closest to be true option.
D - is a rare example of unstated assumption in inference questions since we are not told that Microsoft success in 2014 was due to price cuts however this is the closest to be true option.
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