B
本题实际上考察的是固定句式:It is some time before…一段时间以后某事才发生;本句中的Two years passed before she was treated for breast cancer.相当于It was two years before she was treated for breast cancer.句义:与关心自己相比她更关心的是学生,那就是为什么2年以后她采取治疗乳腺癌。故B正确。
B
本题实际上考察的是固定句式:It is some time before…一段时间以后某事才发生;本句中的Two years passed before she was treated for breast cancer.相当于It was two years before she was treated for breast cancer.句义:与关心自己相比她更关心的是学生,那就是为什么2年以后她采取治疗乳腺癌。故B正确。