JEE Main 2019 Mathematics question

is equal to (where c is a constant of integration)

• (A)2x + sin x + 2 sin 2x + c
• (B)2x + sin x + sin 2x + c
• (C)x + 2 sin x + 2 sin 2x + c
• (D)x + 2 sin x + sin 2x + cCorrect