The protesters (抗议者) the meeting by shouting and throwing stones at the window.
A. attended
B. held
C. upset
D. mixed
网友回答
A. attended
B. held
(答案→)C. upset
D. mixed
解析：本题的含义为抗议者的大喊大叫和向窗子投石 头打乱了会议。upset表示打乱的意思，attend表示出席或参加的意思，held表示举行的含义，mixed表示混合的意思，根据句意本题只能选C。