问题
选择题
Unfortunately, the element Madam Curie devoted all her life her death.
A．to caused
B．causing
C．to be caused
D．to causing
答案
答案：A
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。