GWD10 一道语法题 求解

Uya

In January 1994 an oil barge ran aground off the coast of San Juan, Puerto Rico, 【leaking its cargo of 750000 gallons into the ocean, while causing the pollution of 】the city’s beaches.

A  leaking its cargo of 750000 gallons into the ocean, while causing the pollution of

C  and its cargo of 750000 gallons leaked into the ocean, polluting

A为什么不对    causing the pollution of 的主语是。。。？？

毛毛carina

如果是A选项，你觉得while应该怎么翻译呢？

第一种意思：一边将750000gallons倒入海里，一边污染海滩。 很明显不对

第二种意思：leaking its cargo of 750000 gallons into the ocean， 然而  causing the pollution of the city’s beaches

意思也不对

凌霄花

豁然开朗~