With reference to WBC, which of the following statements is/are correct?

Q. With reference to WBC, which of the following statements is/are correct?

1. In leukaemia abnormal increase in WBC count

2. During parasitic infection WBC count increases in the range of 20,000-30,000 Which of the statements given above is/are correct?

A.            1 and 2 only

B.            2 and 3 only

C.            1, 2 and 3

D.            3 only

Answer: 1, 2 and 3