Find the Indicated Product by Applying the Distributive Property and Combining

Multiple Choice

Find the indicated product by applying the distributive property and combining similar terms. ( x + 4) ( x + 7)

A) $12 x + 28$
B) $x ^ { 2 } + 11 x$
C) $x ^ { 2 } + 7 x + 28$
D) $x ^ { 2 } + 11 x + 28$
E) none of these