What is A, B, C and D in the given figure?
A: Forewing; B: Spiracle; C: Mouth; D: Antenna
A: Hindwing; B: Spiracle; C: Antenna; D: Mouth
A: Hindwing; B: Mouth; C: Spiracle; D: Antenna
A: Hindwing; B: Spiracle; C: Mouth; D: Antenna