单选题 If either party wants to renew the contract, it should submit a written notice to the other party three months prior to the expiration of contract.
【正确答案】 D
【答案解析】[解析] 该句是由if引导的条件状语从句。renew v.更改,续签;a written notice书面通知;prior to在……之前;expiration,£.期满,终止。选项A,B对prior to的意思理解不正确,选项C表达不够清楚。