Choose from among the given alternatives the one which will be a suitable to fill in the blank in most of the sentences.
A. Professional studies have become the ____ of the rich.
B. Every citizen has the _____ to speak, travel and live as he pleases.
C. He has a definite ______ over all his rivals.
D. Sheron no longer has the _____ of the company’s bungalow and car.
(a) advantage (b) privilege (c) right (d) concession