In which animal,does the diaphragm have no role in respiration?

Which of the following pairs correctly represent an animal and its respiratory organ?
$(a)$ Silverfish $-$ Trachea
$(b)$ Scorpion $-$ Book lungs
$(c)$ Sea squirt $-$ Pharyngeal gills
$(d)$ Dolphin $-$ Skin

Assertion : Blood is coloured in the insects.
Reason : Insect blood has no role in $O_2$ transport.

Different types of respiratory organs like gills,book gills,book lungs and trachea are present in

$A$ : The lungs of birds are provided with air sacs.
$R$ : Air sacs supplement respiration.

Skin is an accessory organ of respiration in