题目

下列叙述中，能说明病毒属于生物的是（ ）A．具有细胞结构     B．能使动物和植物致病C．能够繁殖后代     D．含有蛋白质等有机物 答案：C （安徽卷34）.----We’ve spent too much money recently. ----Well, it isn’t surprising. Our friends and relatives______ around all the time A. are coming       B. had come         C. were coming         D. have been coming