Which one of the following options is true when considering the expansion of
the binomial expression (x + y)"?
A. The coefficients of the expansion of (x + y) are: 1, 6, 15, 15, 6, 1.
B. The sum of the exponents of each term of the expansion of
(x + y) is 5.
C. The expansion of (x + y) will yield 7 terms.
D. The first term of the expansion of (x + y)" is xyz.