The audience to see who would win the gold medal.
A. took a deep breath
B. held their breath
C. lost their breath
D. was out of breath
网友回答
A. took a deep breath
(答案→)B. held their breath
C. lost their breath
D. was out of breath
解析：句意：观众屏住呼吸要看看谁能够赢这块金牌。take a deep breath深呼吸；hold one’s breath屏住呼吸; lose one’s breath呼吸短促；out of breath上气不接下气。根据句意故选B。