下面这句能不能这样改?
问题描述：
下面这句能不能这样改?
In 2000,Chinese scientists announced that they had completed their part of the international human genomp project,(proving) that Chinese scientists are among the world's best.
据说可以把括号里的改成which proved是不是有这种改法,为什么?
答
可以这样改.
which 指代前面一句话.proved是过去时.