“In the Latin West, his metaphysics and theory of the soul had a profound influence on scholastic arguments, ın the Islamic East, too, he was the basis for considerable debate and argument. Even the philosopher-theologian Al-Ghazali, in his attack (The Incoherence of Philosophers) admitted that no serious Muslim thinker could ignore him. In general, Avicenna could be claimed to be the principal representative of philosophy in Islam.” Thus, the correct answer is B.