A would be okay if Margaret wasn't a female name, and they used male pronouns to describe her actions. C "King" should not be capitalized because it is not a proper noun - meaning it's not the king's name. Again, king is a male title, and they follow up with female pronouns. D shouldn't say "himselves" but rather "themselves", because it cannot be assumed that every student is a male, and more so, himselves is not a word at all, because "himself" represents an individual male.
Malcolm and Donalbain flee from Scotland to England after their father's murder because they are afraid that whoever killed their father will kill them next Explanation:
After reviewing all the studies and research that's out there, here's my best advice: Take SHORT breaks – say 5 to 15 minutes – every hour or so. Take a longer break – at least 30 minutes – every 2 to 4 hours (depending on your task)