What is the cause of the alteration in shape of red blood cells in elliptocytosis? I - The lack of spectrins. II - The lack of glycophorin C. III ...

What is the cause of the alteration in shape of red blood cells in elliptocytosis?

I - The lack of spectrins.
II - The lack of glycophorin C.
III - The lack of protein 4.1.
IV - The presence of stomatocytes.
a) I and II are correct.
b) II and III are correct.
c) I, II, and III are correct.
d) III and IV are correct.