This kind of storiesinstructive while stories of that kindharmful to children.A. is; seems

问题补充：

This kind of storiesinstructive while stories of that kindharmful to children.

A. is; seems

B. are; seem

C. is; seem

D. are; seems

答案：

A. is; seems

B. are; seem

(答案→)C. is; seem

D. are; seems

解析：考查主谓一致。谓语的单复数形式要根据主语的单复树确定。第一个是kind,为单，故选is.第二个是stories,为复，故选seem.