The author is using a hyperbole in this exert.
Answer: It is important to determine your values, during career planning, because they will help algin you to what type of work you would, normally like to do.
Explanation: This makes sense, because people normally want to choose a job, that makes them feel fullfed in life. And, one way to seek such fulliment is, by determine your values and things that you consider important to you, and in life.
The answer is D. It helps you to understand that Anne's death was tragic, because she could not prevent others from publishing her diary.
It would look like Modern would be the participle.
Because Modern modifies what the Essay is, Essay is the word modified.
I'm pretty sure this is right, since no other word in the sentence seems to modify anything.