that he learned some Chinese as a child.
A. He is believing
B. He is believed
C. It believes
D. It is believed
网友回答
A. He is believing
B. He is believed
C. It believes
(答案→)D. It is believed
解析： 考查固定结构。that he learned some Chinese as a child是真正的主语，所以要用it作形式主语，排除A,B；主语和believe之间是动宾关系，所以要用被动语态形式。选D，据认为……。