“The children are playing in the park.”The main structure of the sentence is.A. S+VB. S+V+

问题补充：

“The children are playing in the park.”The main structure of the sentence is.

A. S+V

B. S+V+DO+OC

C. S+V+IO+DO

D. S+V+P

答案：

A. S+V

B. S+V+DO+OC

C. S+V+IO+DO

D. S+V+P

解析：考查句子结构。 这个句子The children are playing in the park 是由主语+动词构成的，所以选A项。