Let a, b, c be three rational numbers, where \(a=\dfrac{3}{5}, b = \dfrac{2}{3}\) and \(c = \dfrac{-5}{6}\). Which one of the following is true?

• A. a × (b + c ) = b × (a + c )
• B. (a ÷ b + c ) = b ÷ (a + c )
• C. a + (b + c ) = c + (a + b)
• D. a - (b - c ) = c - (a - b)