1 often develops insiduously
2 may be corrected with the use of erythropoietin
3 is always due to cancer chemotherapy
A if 1, 2 and 3 are correct
B if 1 and 2 only are correct
C if 2 and 3 only are correct
D if 1 only is correct
E if 3 only is correct
B
A
C
A