单选题 Bees carry their food on their backs.

【正确答案】 B
【答案解析】[解析] “蜜蜂用背把食物驮回蜂窝”。根据课文第四段第三句“There it takes in as much as food as its body can hold”,蜜蜂力所能及用全身粘吸花粉,可以判定此句为错误判断。