Directions: In the question below, the first and the last (correctly ordered) sentences are numbered 1 and 6. The rest of the passage is split into four parts and named B, C, D and E. These four parts are not given in the proper order. Choose the correct combination among the four alternatives given.

1. Aristotle is an ancient Greek philosopher and scientist, one of the greatest intellectual figures of Western history. B. He was the founder of formal logic; and he pioneered the study of zoology, both observational and theoretical, in which some of his work remained unsurpassed until the 19^th century. C. He was the author of a philosophical and scientific system. D. It was this that became the framework and vehicle for both Christian Scholasticism and medieval Islamic philosophy. E. Even after the intellectual revolutions of the Renaissance, the Reformation and the Enlightenment, Aristotelian concepts remained embedded in Western thinking.
2. But he is, of course, most outstanding as a philosopher.