In the following questions, a highlighted word has been given and used in three different sentences. You are required to identify the sentence(s) in which the word has been used correctly and choose the appropriate option accordingly. BOISTEROUS
A. The diplomatic negotiations proceeded in a boisterous atmosphere marked by careful restraint and measured deliberation among participating nations.
B. The stadium became increasingly boisterous after the underdog team unexpectedly equalized in the final moments of the championship match.
C. The otherwise boisterous protest gradually intensified into a major confrontation after security forces attempted to disperse the crowd.