She had no money ＿＿＿a birthday present for her children.
A.to buy with B.buying C.bought D.with which to buy
From the dates＿＿＿on the gold coin, it is conformed that it was made five hundred years ago.
A.marking B.marked C.to be marked D.having been marked
答案是什么 为什么不选其他选项 帮帮忙啊