Which out of the followings is not a fibrous protein?

Q. Which out of the followings is not a fibrous protein?
A. Carbonic anhydrase
B. Collagen
C. Fibrinogen
D. Keratin
Answer: Carbonic anhydrase

A. Carbonic anhydrase
B. Collagen
C. Fibrinogen
D. Keratin
Answer: Carbonic anhydrase