Questions 139~142 refer to the following text.
Laughter can bring joy and happiness to __139__ situations, whether it's from a funnyjoke, amusing incident, or hilarious media. Humor can be beneficial in humorlessenvironments like the office or classroom. By using humor, people can feel morerelaxed and comfortable, and __140__ , more effective in their work or studies.__141__ Inappropriate jokes can lead to people being viewed as confident butincompetent. Nevertheless, telling the right jokes can increase one's status andpromote a more supportive and constructive atmosphere. Moreover, research shows__142__ experiencing greater levels of fun at work can lower emotional exhaustion.
【題組】139.
(A) conscious
(B) fabulous
(C) notorious
(D) serious