Which of the following is the best version of the underlined portion of sentence 5

a source card is mage during research to tell the facts about the source one is using.

one reason summer auggie is because she is kind, and the whole "boy war" between jack will and julian was probaly thinking her to be on auggies sode and if you read auggie and me,   she was nice to auggie because julian was mean and auggie needed some freinds. hope this

i would think its c but i'm not sure

in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,