A ruler, like superior ruler, having the most power.
It wouldn't necessarily be a sentence it'd be a word it'd be therefore <span />
B, D and E are correct
A) means that you are already writing the essay and just citing more information, so wrong
B) means that you need to figure out what you are writing, so yes
C) means that you already did research and are putting it into your essay, so wrong
D) means you are graphing out how you are going to write your essay. so yes
E) means that you are looking over all your information and are getting ready to write it into your essay, so yes