In the following question, there are five sentences/paragraphs. The sentence/paragraph labelled is in its correct place. The four that follow are labelled b, c, d and e, and need to be arranged in the logical order to form a coherent paragraph/passage. From the given options, choose the most appropriate option.

a. Pythagoras lived long ago, and almost nothing is known about him, though his teachings and his name have become immortal.

b. In fact, they were bound together in a kind of brotherhood, the members of which followed rules which are now hardly understood, but which linked them so as to form a club.

c. The people who believed in his philosophy were known as the Pythagoreans.

d. They had common religious observances and pursuits of science, especially mathematics and music.

e. The Pythagoreans were taught to control their passions, especially that of anger, and to endure with patience all kinds of sufferings.