In the following question, two columns are given containing three phrases each, In the first column, the phrases are A, B, and C, and in the second column, the phrases are D, E, and F. 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 grammatically and contextually correct sentence. If none of the options given forms a correct sentence after combination, select 'None of these' as your answer.

Column (A)	Column (B)
(A) At all stages of life, living	(D) the severity of the symptoms but do nothing to slow the progress of the disease.
(B) As the outward physical signs of aging become increasingly apparent,	(E) in poverty restricts access to medical care.
(C) So far the treatments for Alzheimer's disease only reduce	(F) significant changes occur in the internal functioning of the organ systems.