B. "So did two others from our youth group." is an incomplete sentence.
After the 18 August rally, the Cultural Revolution Group directed the Red Guards to attack the 'Four Olds' of Chinese society (iold customs, old culture, old habits, and old . For the rest of the year, Red Guards marched across China in a campaign to eradicate the 'Four Olds'.
Stay home and tend to their children? If you're asking what the gender roles were before the IR?