【题目】Only after talking to two students ________ that having strong motivation is one of the biggest factors in reaching goals.
A. I did discover B. did I discover
C. I discovered D. discovered
在线课程【答案】B
【解析】
试题分析：副词only置于句首，强调方式状语、条件状语、地点状语、时间状语等状语时，主句要进行部分倒装。句意：在和两个学生谈话之后我才意识到拥有强烈的动机是达到目标的最大因素之一。故选B。