Question

read the passage. then, select the synonym of the word in bold. the first suspect was nonchalant as she sauntered into the interrogation room for questioning. \where were you on the night of june 13, 2013?\ detective crawford asked her. unconcerned, she responded, \i was the keynote speaker at an event that night, and several hundred people who were in attendance can corroborate my alibi.\

Explanation:

To find the synonym of "nonchalant", we analyze the context. The suspect's demeanor when entering the interrogation room and her response with "Unconcerned" (in the passage) shows a lack of worry or interest. "Nonchalant" means being calm and unconcerned, so "Unconcerned" is a synonym.

Answer:

Unconcerned