选B
It is the country (where)I studied English (that)I am going to visit next week.能提供解析吗？万分感谢！前一个是定语从句表地点 用where 后一个是因为强调句 It is ... that强调句不是可以把It is ... that 去掉也能通吗？不好意思 没看仔细 后一句不是强调句 应该是visit后面的宾语从句 用that 指代country