By using simple spoken language and __________, Robert Frost ach

By using simple spoken language and __________, Robert Frost achieved an effortless grace in his style.
A、free verse
B、singing ryhthms
C、conversational rhythms
D、dialogues
【正确答案】：C
【题目解析】：教材563第二段。弗洛斯特创作风格平易自然，但很优雅，诗的语言口语化，节奏上如谈家常，不紧不慢。