Question

【题目】Only when you have obtained sufficient data ______ come to a sound conclusion.

A．can you B．you can

C．would you D．you would

Answer 1

【答案】A

【解析】句意：只有当你得到足够的数据的时候，你才能得出正确的结论。only置于句首引导时间状语从句when you have obtained sufficient data，从句不倒装，主句要部分倒装，根据句意，是表示“能得出正确的结论”，故应用can，故选A项。