Question

Russia’s cutting off the gas supply raised a major concern to the European Union, ______ a number of member states are increasingly dependent on one single supplier.

A．whose

B．that

C．where

D．which

Answer 1

C

試題分析：句意：俄羅斯減少供給天然氣供應使歐盟十分關注 ，而歐盟許多成員國對單一的供給的依賴正在增加。在定語從句中主謂賓完整，所以不選關系代詞。故選C。
考點: 考查定語從句的關系詞的用法。