.(2010·山东滕州高三上阶段性质量检测) 32. Walter offered us a lift when he was leaving the office, but our work_______, we refused his offer.
A. not finishing B. had not been finished
C. not having finished D. not finished
.(2010·山东滕州高三上阶段性质量检测) 32. Walter offered us a lift when he was leaving the office, but our work_______, we refused his offer.
A. not finishing B. had not been finished
C. not having finished D. not finished
D