Read the text and determine if the sentence is true (see options at the end):

How to tell if a goldfish is pregnant<br>Find out if your fish is female. The best way to find out the sex of your goldfish is to ask when you buy the fish, or to consult a vet. That said, females goldfish typically have plump bodies.

Sentence: Female goldfish have plump bodies because of their metabolism.
Options are:
a). Yes
b). It's impossible to say
c). No
b).