Sentence Rearrangement

Directions: The sentences given below are labelled as A, B, C, D and E. Choose the correct order of sentences from the given choices to construct a logical paragraph.

A. Now, a new study has identified the tissue and chemical changes that stir up the problem; a finding that could lead to novel drug treatment.
B. It can be life threatening too, when it is a part of sleep apena.
C. This disorder, in which breathing stops many times at night, can detonate dangerous cardiovascular stress.
D. But scientists have been puzzled over why we should respond so fiercely to dips in oxygen supply.
E. Snoring is not just a recipe for marital discord.