单选题 The investigation, ______ will soon be published, was made by John.

A、 at which the results
B、 the results on which
C、 whose results
D、 at whose results

【正确答案】 C

【答案解析】[解析] 这项由约翰所做的调查的结果马上就会公布。
本题考查非限定性定语从句。the investigation与results是所属关系，定语从句中所属关系有两种表示法：whose+名词；of whom/which the+名词(或the+名词+of whom/which)。故选C。