Not confident; uncertain; anxious; self conscious. <span />
Answer:
B. Casually
Explanation:
The dictionary definition of fervently is very enthusiastically or passionately. So we deduce that the opposite of that is casually.
Given the conditions, the closest answer would be conventions. Word choice is using colorful language such as heavy adjectives and replacement of better words. Sentence fluency deals with fragment sentences or run-ons. Ideas deal with the main topic of an article or essay, etc.