In the following question, two columns are given containing three phrases each. In the first column, 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 forms a correct sentence after combination, select ‘None of these’ as your answer.

Column 1)	Column 2)
A) Developmental pediatricians who are trained	D) I am becoming deeply introspective.
B) As the point of my retirement from service comes close,	E) with grey hair and dressed in Khaki.
C) I found the boy surrounding an old man	F) to carry on screening are few in India.