答案选A。go through = experience, endure or suffer sth 经历、忍受或遭受某事物

例句如：

He has gone through such a lot since his wife died. 他妻子死后，他受了很多苦。

When he was a child, he went through one hardship after another. 孩提时代，他经历了一个又一个的艰难困苦。

No one knows what he went through while he was waiting for the verdict. 没有人能知道他在静候判决时所承受的痛苦。