when they arrived at the United Airlines cargo facility in t...when they arrived at the United Airlines cargo facility in the southern US state选择音频中提到的单词或词组A、carbon B、cargo C、career
B
解析:
carbon [ ˈkɑːrbən] n. 碳
cargo [ ˈkɑːrɡəʊ] n. 货物;船货
career [ kəˈrɪr] n. 职业