After this agreement is signed by the two parties,both parties shall strictly abide by it.
【正确答案】 A
【答案解析】解析:这是一句商务英语。重点在对句中party和this agreement is signed的理解。party在句中的含义应为双方而不是党派。sign为“签约”的意思。故选项A最为准确。