问题补充：
Everyone should keep on getting himself educated so as to bemodern technology.
A. good at
B. successful in
C. up to date with
D. interested in
答案：
A. good at
B. successful in
(答案→)C. up to date with
D. interested in
解析：短语辨析。 A擅长B.在……方面成功 C.赶上 D.对……有兴趣。句意：每个人都应该坚持让自己接受教育，以便赶上现在教育技术。结合语境可知选C。
