Unfortunately, the element Madam Curie devoted all her life her death.
A. to caused
B. causing
C. to be caused
D. to causing
网友回答
(答案→)A. to caused
B. causing
C. to be caused
D. to causing
解析：本题考查动词。句中Madam Curie devoted all her life to作定语，修饰the element，主句缺少谓语动词，根据语境用一般过去时，选A。