回复:在国内时是CP, 来美5年没有交党费等
Just tell the truth in the Form I-485 and never hide anything (this is the principle). Your Chinese Communist party membership will never affect your green card application because USCIS knows very well what the member of CCP means. Just click the left icon on this webpage: "手把手帮着填 I-485 和 G-325A" and there is a link in this article for your information.