Sentence Correction

In cold-water habitats, certain invertebrates and fish convert starches into complex carbohydrates called glycerols, in effect manufacturing its own antifreeze.

OA IS C

A in effect manufacturing its own antifreeze
B effectively manufacturing antifreeze of its own
C in effect manufacturing their own antifreeze.
D so that they manufacture their own antifreeze
E thus the manufacture of its own antifreeze

Clear C