Neither Jim’s cousins nor he himself to America , but of the know the country very well.
A. have been ;all
B. have been ; both
C. has been ;all
D. has been ;both
网友回答
A. have been ;all
B. have been ; both
(答案→)C. has been ;all
D. has been ;both
解析：neither… nor…引导两个主语时，谓语动词的单复数形式要由靠他最近的主语来决定。