The old man has two sons, lives with him, so he has always felt lonely since his wife’s death.
A. both of them
B. both of whom
C. neither of them
D. neither of whom
网友回答
A. both of them
B. both of whom
C. neither of them
(答案→)D. neither of whom
解析：句意：那个老人有两个儿子，他们中的任何一个都没有和他住在一起，所以自从他的妻子去世后，他感觉很孤独。因为so前的分句是主从复合句，lives前缺少主语，并且还需起连接的作用，故排除AC；both表示两者都，做主语时，不能用第三人称单数，故排除B，故选D。