Could you hold on a few minutes ()I check this with my boss?

Could you hold on a few minutes ()I check this with my boss?
A、for
B、since
C、during
D、while
【正确答案】:D
【题目解析】:这里需要一个表示“在什么时候”的词。选项C和D均有此意,但during是介词,后面不能跟句子。选项D是正确的。