【题目】Before stepping onto the stage of the Voice of China, the singer Yao Beina took a deep breath to _____ her courage．
A． set up B． hold up
C． keep up D． take up
在线课程【答案】C
【解析】考查动词短语。A．set up 建立；B．hold up阻挡；C．keep up保持；D．take up从事；句意：在进行中国好声音之前，姚贝娜深呼吸来保持信心。根据句意选C项。