题目内容：

come up with ,think of ,think up 有什么区别是否可互换?
Finally I ___ an idea .
A.thought of B.came up with C.thought for D.thought up

优质解答

thought of 多表示考虑, 想起,关心.英文解释最能说明为什么选B 而不是A了,to have formed a possible but not firmly settled plan for例子:I'd thought of blue for this room. (blue 是"蓝图") came up with ,想出...