英译中：Cargo

Air cargo is （）

A:air transport B:air freight C:air delivery D:plane

倥侗 kōng tïng

苍穹cāng qióng

怂恿 sǒng yǒng

铿锵kēng qiāng

懵懂 mþng dǒng

澄清chãng qÿng

畅想chàng xiǎng

She was just about to explain ______ she hadn’t passed her maths test chiefly out of carelessness ______ her uncle came.

A:her mother when B:to her mother why that C:her mother that when D:to her mother that when