【单选题】She has refused to _____ the whereabouts of her daughter.
【单选题】He is said to be suffering from terminal cancer and has asked for euthanasia (安乐死).
【单选题】西方产生帮主制主要是为了约束过于强烈的()。
【单选题】Lung cancer, also called bronchogenic carcinoma, is the most common fatal malignant neoplasm in men .
【单选题】She has refused to ______ the whereabouts of her daughter.