Yes looks like it is correct grammar
Explanation:
The character in the part of the book can be described as careless, I did a assignment like this once and that's what I wrote and I passed but it may be different.
<span>and it helps in <u>building</u> an understanding ...
I guess this is it though the text is not that on of terrific English that one enjoys easily generally speaking
Best Luck!
Wise</span>