Chinashouldbecomeagloballeaderinenergyefficiencyb...

问题详情：

       China should become a global leader in energy efficiency by 2050 ______ nuclear power is

likely to account for at least half of the country’s energy.

A．on which        B．that                 C．when                    D．for which

【回答】

C

知识点：定语从句

题型：选择题