我买的是寂天模拟试题1000题，似乎没详解，只有中文，但我还是不确定，觉得来问高手们。
To guarantee the freshest bread for our popular sandwiches, we bake it____ on-site every morning.
(A)our own
(B)ours
(C)our
(D)ourselves
想追求900分的全职妈妈！谢谢帮忙

我觉得是D