单选题
Widely acknowledged A
as a great
and important playwright, Eugene O"Neill brought to the United States stages B
it
was probably C
its
first really serious D
drama
.
【正确答案】
B
【答案解析】解析：it一what。句意：尤金·奥尼尔被广泛认可为一位伟大而重要的剧作家，是他把第一部正剧带到了美国的舞台上。这里是名词性的从句作brought的宾语，需要用what来引导，“to the United Statesstages”在这里是状语前置，将谓语动词与宾语从句分隔开来。