Which of the following can be one of the reasons of Anaemia?

Q. Which of the following can be one of the reasons of Anaemia?

1. less iron intake

2. deficiency of folic acid

3. deficiency of B12 Select the correct answer using the code given below

A.            1 only

B.            1 and 2 only

C.            1, 2 and 3

D.            2 and 3 only

Answer: 1, 2 and 3