参考答案

正确答案：D
解析：Outgrowth means product in this context. Clues: Early drama.., was an outgrowth of the choral songs and dances...; A chorus of singers, dancers, and musicians...performed stories that educated and entertained the audience....The prefix out- = beyond. Drama was a new product that developed from choral songs and dances and grew beyond them. (1.4)