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. JOCUND
A. Despite the severity of the economic downturn, the finance minister maintained a jocund demeanour throughout the public interaction, attempting to reassure investors and citizens alike.
B. The committee adopted a jocund regulatory framework designed to impose strict fiscal discipline across banking institutions.
C. The professor’s jocund storytelling transformed an otherwise technical lecture on quantum mechanics into an engaging intellectual experience.