Which of the following statements about vitamins are correct?

1. Vitamin C is essential to make connective tissue in body.
2. Vitamin D is needed for synthesis of eye pigment.
3. Vitamin B₁₂ helpsin maturation of RBC.
4. Vitamin C is required to make use of calcium absorbed from the intestine.

Select the correct answer using the code given below.

• 1 and 2

• 1 and 3

• 2 and 4

• 1 and 4