I believe "vehement" is the correct answer. It means that it shows strong, powerful, passionate speech and tone.
6) is A,
7) is B
8) is B
9) is D
10) is C
The believe that you can't escape your destiny.
In the diary of Anne frank it looks back on special memories as a child and a memoir is a life story, so she was basically writing as her life went on. Sadly, since she tragically died, her life didn't go so far.