语音从A, B, C, D四个选项中选出划线部分读音与其它三个不同的一个。
---Who helped Jenny with her English ? ---________, she taught herself.
It was raining ________when we were on our way home.
Jack’s grandfather ________for more than twenty years.
They went on working ________the heavy rain.
--- Have you seen the film Titanic? ---No , but I ________.