Question

みみ

16行目のItが何を指しているのか分からないので教えて頂きたいです。よろしくお願いいたします。

10
A certain number of people are always upset by hearing such stories. Soon
after this meeting, I got a pleasant but agitated letter from an intelligent and
highly trained psychologist who had heard my talk. How, she demanded, could
children possibly learn unless we corrected all their mistakes? Wasn't that our
responsibility, our duty? I wrote a long reply, repeating my point and telling
15 still more stories about children correcting their own mistakes. But she seems
to be as far from understanding me as ever. It is almost as if she cannot hear
what I am saying. This is natural enough. Anyone who makes it his life
(3)
work to help other people may come to believe that they cannot get along
without him, and may not want to hear evidence that they can, all too often,
20 stand on their own feet. Many people seem to have built their lives around
the notion that they are in some way indispensable to children, and to question
(4)
this is to attack the very center of their being. Still, even at the risk of

Answer 1

taka

16行目のItが何を指しているのか分からない → 前文の she seems to be … me as ever を指していると考えれば良いと思います。
前文を含めた意味は、以下のようになります。　
しかし、彼女は相変わらず私のことを全く理解していないようです。まるで、私の言っていることが聞こえていないかのようです。これはごく自然なことです。

参考にしてください。