— No. _______ so much in the war has made him more thoughtful.

A.SeenB.His seeingC.Having seenD.To have seen

【答案】B

【解析】

考查动名词作主语。句意：——Henry看起来似乎和以前不一样了。——是不一样了，看到战争中发生的如此多糟糕的事情，已经让他变得更体贴人了。这里是动名词做主语，谓语动词是has made。故选B。