Improvementofpeople'sabilitytofocusmay______.
A.affecttheirmoods
B.distr acttheirminds
C.reducetheirboredom
D.increasetheirdepression
正确答案:C解析:细节理解题。由文章第四段“suchthatimproving…decreaseboredom.”可知答案选C。

Improvementofpeople'sabilitytofocusmay______.
A.affecttheirmoods
B.distr acttheirminds
C.reducetheirboredom
D.increasetheirdepression
正确答案:C