The hours_____ the children spend in their one-way relationship with television people, undoubtedly affect their relationships with real-life people.
【正确答案】 B
【答案解析】解析:关系代词that引导定语从句,并在从句中作宾语,故B正确。关系副词when引导定语从句在从句中作时间状语,不符合题意。