In the following question, two columns are given, containing three phrases each. A phrase from the first column may or may not connect with a phrase from the second column to make a grammatically and contextually correct sentence. There are five options, four of which display the sequence(s) in which the phrases can be joined to form a correct sentence. If none of the phrases make a correct sentence, mark ‘None of these’ as your answer.

Column 1	Column 2
A. Superintendents at numerous parks that are experiencing	D. on to developed trails to protect the environment.
B. National parks are designed to concentrate people	E. few coastal wolves in the region, victims of overhunting and habitat degradation.
C. Fifty years ago, there were	F. rises in visitation are seeking permission to close completely.