请教一下英语定语从句连接词的问题

请教一下英语定语从句连接词的问题9.Can you lend me the book ______the other day?A.about which you talked B.which you talkedC.about that you talked D.that you talked第9题为什么不能选D?that不等于about which 7.Great changes have taken place since then in the factory _______we are working.A.where B.that C.which D.there为什么不能选that,我印象中that前不能有介词,其他的时候好像是万能的啊.The place _______interested me most was the Children's Palace.A.Which B.where C.what D.in which为什么不选D或者不选B?place不是表示地点的吗?怎么不用where?