单选题
As the Olympic flame was ______ and the flags lowered, the closing ceremony concluded with a firework display.
【正确答案】
C
【答案解析】[分析] 近义辨析
A. put out 放出，伸出，生产，消除；B. distinguish 区别，辨别；C. extinguish 熄灭，消灭，压制，使黯然失色；D. remove 移动，开除，移交；本句意为：随着奥运火焰的熄灭和奥运旗帜的落下，奥运会的闭幕式以焰火结束。因此C为答案。