单选题 What is hard to bring together is hard ______. What is easily brought together is easily
A. to separate, to separate B. separated, to separate
C. to separate, separated D. separated, separated

【正确答案】 C
【答案解析】第一个空应该选择不定式答案，与前面的不定式相对应。第二个空选择seperated分词形式，表被动含义。