The answer is tragically.
Because in a summary you should use as <em>few</em> details as possible, and saying tragically horrible is too many details for one sentence.
Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
Using the answer choices provided, D would be the most feasible one in this case.
Correct answer: mischievous waste, in accusing others or tormenting harmless animals.
Explanations: this is an excerpt from Rousseau’s “The Confessions”, which develops the author’s personal philosophies. Rousseau was one of the most representative philosophers of Illuminism.
A loaded word is a word that not only informs but also caries some emotion with it, such as condemning, exciting, praising.
In the statement above the loaded word is "crushing" - it makes a qualitative statement about the defeat: it was a very definite defeat.