The correct option is D Albumin
Fibrillar proteins are a typically insoluble proteins, that makes up the principal structural proteins of the body like collagens, elastins, keratins, actin and myosin. They usually have high content of secondary structures, that form the rod-shaped microfibers or fibril.
Albumin is spherical and is globular protein.
Thus, the correct answer is option (D), 'Albumin'.