题目内容：

Will you ask the scientist who was referred___us a report?
A.to give
B.to to give
C.to giving
D.to be given

优质解答

B,who was referred to是定语从句,修饰the scientist的,译为：被问及的这位科学家.后面是ask the scientist to give us a report,即：ask sb.to do sth.搭配.