Choose the closest paraphrased version after the following sentence or the italicized part.
One of the most important things I've learned is how much there is to learn, and how much I don't yet know.（ ）
A、
...that in the vast sea of knowledge I'm just a little drop.
B、
...that I know very little and there's much for me to learn.
C、
...that I am ignorant, so I must learn what I do not know.
D、
...that compared with what I don't know, my knowledge is limited.
【正确答案】：B
【题目解析】：
句意：我所学到的最重要的一点，就是要学的东西实在是太多，而我还没有学到的东西也太多。