took的意思是，黑体字部分没了解

Hegreatly admired Rebecca West and, later, Susan Sontag, who became a friend andwhom he once took stock-car racing.

他带她参加赛车？

谢谢老师！

对，他曾带她参加赛车比赛。这里took 后应该是漏印了to.