A-A+ Which of the following can best describe the t 2022-08-05 15:26:11 问答库 阅读 169 次 问题详情 Which of the following can best describe the tone of the passage？A．Humorous.B．Sympathetic.C．Amusing.D．Optimistic. 参考答案 正确答案：D解析：从全文来看，作者对冷冻技术的前景持乐观(optimistic)态度。
