Questions 143~146 refer to the following webpage.
Strong communication skills can help you to achieve impact and accelerate changefor the benefit of society. As systems become increasingly volatile, __143__, andcomplex, __144__ communication skills can help foster collaboration, improveproblem-solving, and impact decision-making. __145__ in social groups or businessorganizations, leaders across all segments of society and industry need to leveragecommunication to better __146__ objectives, influence stakeholders, and drivepositive change.
【題組】143.
(A)certain
(B) certainty
(C) uncertain
(D)uncertainly