2.C
3.b (self-study book, P54)
4.d (self-examination book, P 107)
5.b (self-study book, page 40)
6.d (self-study book, P52)
7.A
8.A
9.d (self-study book, P 10 1)
10.c (introspection book, page 49)
I believe the answer is definitely right.