Collins (2001) studied companies that increased their value eight times faster than the stock market and found that they all had: A. leaders that demanded success. B. leaders who blended personal humility with professional willpower. C. leaders who were compellingly modest and never boastful. D. both "B" and "C". Group of answer choices A. leaders that demanded success. B. leaders who blended personal humility with professional willpower. C. leaders who were compellingly modest and never boastful. D. both "B" and "C