Mark the incorrect statement about cockroach.

Options

A. In respiratory system of cockroach first thoracic pair and first abdominal pairs of spiracles always remain open
B. Malpighian tubules absorb excretory wastes perform osmoregulation and homeostasis
C. Compound eyes of cockroach always form apposition image due to non-retractile pigment sheath
D. The outermost layer of 3 layered wall of spermatophore is secreted by utriculi majores