Q. Unlike other arachnids, which have their nerve cells
evenly distributed along their bodies, the scorpion’s
nerve cells are clustered in its head, like a mammal’s.


(A) bodies, the scorpion’s nerve cells are clustered in
its head, like a mammal’s
(B) bodies, the scorpion’s head had a cluster of nerve
cells, as a mammal does
(C) body, the scorpions has a cluster of nerve cells in its
head, as a mammal does
(D) body, nerve cells are clustered in the scorpion’s
head, like a mammal’s
(E) body, a cluster of nerve cells is in the scorpion’s
head, like a mammal’s