Read the following article and answer the question by choosing from the options.

This evening I am going through boxes of old letters my Mom saved . I mailed the boxes to myself when I was cleaning out her house about a year and a half ago . There was so much shredding I had to do and she had saved everything .

Why did the narrator wait a year and a half to go through the boxes of letters ?
pick from the following.
[a]. None of the above choices ..
[b]. She shredded them first and it took her a year and a half to tape them all back together ..
[c]. The post office messed up and lost the boxes shortly after she mailed them to herself ..
[d]. Going through her mother 's things rehashed the sorrow and loss of her death .....A:
[d].