Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. As young rulers, the sons and grandsons of Theodosius necessarily depended on older advisors, and as adults, they were unable to rule independently of these advisors. B. The sons and grandsons of Theodosius were too young when they came to power to rule without the assistance of older advisors. C. On reaching maturity, the sons and grandsons of Theodosius attempted to break away from the older officials who had advised them since childhood. D. Because the sons and grandsons of Theodosius were young when they became rulers, older advisors were able to prevent them from breaking away.