Which of the following is a simple sentence with the structure of S+V？（）
A、
The moon rose slowly.
B、
David became an engineer.
C、
Jane is reading a storybook.
D、
Emma taught the children English.
【正确答案】：A
【题目解析】：
A项为主语+谓语（S+V）结构的简单句。B项结构为主语+系动词+表语（S+V+P）；C项结构为主语+谓语+宾语（S+V+O）；D项结构为主语+谓语+直接宾语+间接宾语（S+V+O1+O2）。