Multi-choice problem: Continue writing the next sentence in this paragraph:

How to tell if a goldfish is pregnant
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.

Choices:
a). When viewed from above, you can usually notice fuller bellies on the females, and slender midsections of the males. Also, the female pectoral fins (located just behind the gills) are shorter and rounder than those on males.;
b). Female goldfish often produce clear, pink gills, but this varies by fish. Common females are : Female vs males: a pair of grey horses with ears that look like horns, similar to the miskies.;
c). Female goldfish are generally a lighter pink color, brighter pink, and longer ridged overall. Look for flesh-colored and healthy fish.;
d). However, can have these extra bodies later on in a relationship. Goldfish's bodies have different characteristics than their heads and heads.;
a).