Answer: Change there to their.
Here is a website that will help you find the answer and understand the poem as well...
http://www.sparknotes.com/poetry/hopkins/section4.rhtml
If you do not wish to visit the site I believe the answer is A.
Because she is mourning her own mortality, because man is mortal.
Dewey Decimal is library classification system. It helps to locate books in the library appropriately in order to generate topics by creating library classification system. The Classification helps to organize library materials by field of study. Main divisions are philosophy, social sciences, science, technology, and history. The system is made up of ten classes, each of them divided into ten divisions and which each one has got ten sections. Using Arabic numbers, three whole numbers makes the main classes. Then following numbers make sub-classes and further divisions. The classification is hierarchical and the same hierarchy is used for the system.
D) contains a spelling error.
