The polynomial P(x) = x^{3 } + ax^{2} + bx + c has the property that the mean of its zeros, the product of its zeros, and the sum of its coefficients are all equal. If the y-intercept of the graph of y = P(x) is 2, then the value of b is

(A) – 9

(B) 5

(C) – 11

(D) 1