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) During most of its existence, the Byzantine empire	(D) affecting a student's social, emotional and behavioural development.
(B) Test anxiety can have broader consequences, negatively	(E) grows closer, we are more stressed and may, thus, decide to procrastinate more to avoid this stress.
(C) As the deadline for our target of procrastination	(F) was the most powerful economic, cultural, and military force in Europe.