下列物质中,作为生化反应的催化剂、遗传信息的携带者、膜结构基本支架的依次是( )
从题中所给的A、B、C、D四个选项中选出与句中划线部分意义最接近的解释。
Jack called his mother at 7:30 yesterday, but she didn't pick up at that time.