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) Economists are pretty much limited	(D) to two-dimensional diagrams.
(B) Economists generally agree that	(E) the price of a firm's output is the most fundamental determinant of supply.
(C) Price is likely the most important	(F) thing that firms consider.