Which of the following sentences has a subject complement？A．Jack was seen playing basketba
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Which of the following sentences has a subject complement？
A．Jack was seen playing basketball yesterday.
B．A doll was made for me.
C．Some money was given to her.
D．He was bought an expensive watch.
请帮忙给出正确答案和分析，谢谢！
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正确答案：A
句子成分题。动词后面对主语特征、状态等进行补充说明的成分，叫作主语补足语。如果把带有宾语补足语的句子变成被动句，原来补充说明宾语的部分就变成补充说明主语了，即宾语补足语就变成主语补足语。如果把带有双宾语的句子变成被动句，往往是一个宾语作为被动句的主语，另一个宾语仍放在谓语动词之后。主语补足语和主语之间有逻辑上的主谓或主表关系，但双宾语之间则没有这种关系。[A]中主语Jack和主语补足语playing之间是逻辑上的主谓关系，故为正确答案。[B]、[C]和[D]都是双宾结构的被动句，故排除。