问题补充:
Recently some Japanese have been trying to make conflicts with China, effects we are greatly concerned.
A. to whose
B. about whose
C. to which
D. about which
答案:
A. to whose
(答案→)B. about whose
C. to which
D. about which
解析:句意:现在一些日本人试图和中国制造冲突,关于他们的影响,我们会密切关注。通过分析句子结构,可知这个句子中包含一个非限制性定语从句,“关于”要用介词about,且关系词在从句中作定语,故用关系代词whose,选B。