答案：A

题目分析：句意：这是汤姆和他的两名同学受邀参加了那个聚会。这里是强调句式，强调主语Tom，as well as 是副词，既…又…; 除…之外（也）; 此外。as well as two of his classmates不是主语。由句意可知选A。

考点: 考查动词时态和语态的用法。