Foreign Ministry spokesman Hong Lei on Friday again urged Japan to make serious efforts for the improvement of the relationship between the two countries and honestly face up to and its history of militarist aggression.
A. look on
Bconcentrate on
C. reflect on
D. hold on
网友回答
A. look on
B. concentrate on
(答案→)C. reflect on
D. hold on
解析：句意：外交部发言人洪磊在周五再次敦促日本努力改善两国之间的关系和诚实地面对和反思其军国主义侵略的历史。四个选项的含义分别是：A. look on旁观， B. concentrate on专注于，C. reflect on 反思，D. hold on别挂断，所以选C。