18. Shrimps...
A ...can crawl fast but can't swim.
Shrimp can swim fast by flipping their tail.
B ...have four sets of eyes.
Shrimps have two bulbous eyes on stalks on the sides of the rostrum.
C ...have a head and thorax.
Correct!
The thorax or chest is part of the anatomy of humans and tetrapod (four-footed) animals.
