单选题
The new store, ______ is currently undergoing construction, will have its grand opening sometime next spring.
A、
who
B、
were
C、
when
D、
which
【正确答案】
D
【答案解析】
______is currently undergoing construction是补充说明主语the new store的非限定性定语从句，因此横线处应填入指代store并充当从句主语的关系代词。故选(D)which。
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