问题补充：
单选题Hiscareerhasbeenanactiveone:_____.A.writing poetry, working on magazines, and the war in GreeceB.poetry, editing magazines, and the Greek WarC.writing poems, editing magazines, and serving in the Greek WarD.poetry work, editing magazines, and fighting in Greece
答案：
C解析句中的三个动名词结构构成并列关系。
