第19题: [单项选择]As a psychotherapist with many patients in their 20's, I can ______ the fact that not only do most of them not have any health insurance, but they also do not expect it as a condition of living in this country. A. attest to B. contribute to C. modify D. interdict 参考答案:A 答案解析:attest to证实,证明;contribute to捐献;modify修改;interdict阻断。