Being aware of the of the disaster, some famous stars organized a charity concert to raise money for the victims.
A. importance
B. severity
C. influence
D. effect
网友回答
A. importance
(答案→)B. severity
C. influence
D. effect
解析：词义辨析。Importance重要性；severity严重性；influence影响；effect
效果，影响。句意：意识到灾难的严重性，一些明星组织了一场慈善音乐会为受灾者筹集善款。所以选B。