Directions: In the given question, four statements are provided between an opening statement 1 and a closing statement 6. The four statements are jumbled up and form a coherent paragraph when properly arranged. Select the alternative representing the proper and logical sequencing of these six taken together.

1 The importance of space time structure which I first emphasized is very great.

A. They need to resemble only each other in the abstract properties of space time structure.

B. It is because of importance of structure that theoretical physics is able to content itself with formulae.

C. It is obvious that the electro magnetic waves used in broadcasting cause the sensation of the hearers.

D. It explains how one complex event can be casually connected with another complex event.

6 These formulae are about inexperienced occurrence which need not resemble experienced occurrences.