A small confectioner bought the certain number of pastries flavoured pineapple, mango and black-forest from bakery, giving for each pastry as many rupees as there were pastry of that type; altogether he bought 23 pastries and spent Rs 211; determine the number of each kind of pastry that he bought, if mango pastry are cheaper than pineapple pastry and dearer than black-forest pastry.
A. {10, 9, 4}
B. {11, 9, 3}
C. {10, 8, 5}
D. {11, 8, 4}