Remove or Add Parentheses as Indicated $a \cdot b \div b + 5 b = a + 5 b$

Multiple Choice

Remove or add parentheses as indicated.
-Place parentheses to make the equation $a \cdot b \div b + 5 b = a + 5 b$ true.

A) $( a \cdot b ) \div ( b + 5 b ) = a + 5 b$
B) None needed.
C) $a \cdot ( b \div b + 5 b ) = a + 5 b$
D) $a \cdot b \div ( b + 5 b ) = a + 5 b$