It is fairly common in Africa for _____ a group of musicians surrounded by others who also join in the performance
A.there areB.there beingC.there to beD.there be在线课程C
试题分析：考查不定式做主语的用法，句型是：It’s +adj.+for sb to do。这里用的是there be句型，所以选there to be。句意是：在非洲有一群音乐家被别人包围着，这群人也同样参加了表演这是相当普遍的。选C。
考点：考查不定式做主语的用法