You all know the reasons which have impelled me to ______ the throne.
【正确答案】 C
【答案解析】我退位的原因早已公诸于世。A．render“给予，提供” B．renovate“更新，革新”C．renounce“宣布放弃”(职位，信仰等)D．renew“续期，更新”