During his stay here,he became friendly with Lady Amelia,the beautiful wife of Lord Burlesdon.They became very good friends indeed,which,naturally,did not please Lord Burlesdon.这句话中which单独使用是什么用法,代指什么.
问题描述：
During his stay here,he became friendly with Lady Amelia,the beautiful wife of Lord Burlesdon.They became very good friends indeed,which,naturally,did not please Lord Burlesdon.这句话中which单独使用是什么用法,代指什么.
答