lt_me that the professor visited our school the year before lastA took place B.happened to C ,occurred D,occurred to分别说一下理由

lt_me that the professor visited our school the year before lastA took place B.happened to C ,occurred D,occurred to分别说一下理由
lt_me that the professor visited our school the year before last
A took place B.happened to C ,occurred D,occurred to
分别说一下理由

lt_me that the professor visited our school the year before lastA took place B.happened to C ,occurred D,occurred to分别说一下理由
D
It occured to me that-从句 表示“我突然想起.”
固定说法

C

D 只有c和d 可以引导一句话 但me 为宾格 前须介词 故用 D

D occur 可以表示突然想起……
It occurred to/stuck sb that ……某人突然想起……