"When you prepare to write any message, you need to start by identifying your purpose." is the correctly punctuated sentence.
I love the "Story of an Hour". The second option where it says " Even if it is done with good intentions, confining a woman to marriage is a crime" is the correct answer. She talks about freedom from her husband and she feels great relief that he died whch justifies why that option is the correct one.
By how well he or she does the job
Just took the test and the answer is actually B.