A-A+ The study was carried out by scientists from _ 2022-08-01 23:37:11 问答库 阅读 168 次 问题详情 The study was carried out by scientists from ______ .A．America and AustraliaB．America and CanadaC．America and AustriaD．America and China请帮忙给出正确答案和分析，谢谢！ 参考答案 正确答案：B
