单选题 According to the passage, what is the meaning of the phrase "ups and downs" in the fifth sentence of paragraph two?
【正确答案】 A
【答案解析】[解析]通读前后文可以找到答案。此处 ups and downs 是指“生活中的沉沉浮浮”,所以我们选A。C、D不够完整,B选项是其字面的意思。