求助一道英语问题: come up with ,think of ,think up 有什么区别是否...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,提出,英文解释是to think of (a plan,reply etc.),produce thought up...