Why Are Sweet Tastes More Preferred by Humans and Other

Why are sweet tastes more preferred by humans and other animals?

A) Many nutritive substances contain sugar; this appears to be a genetic predisposition to assist in survival.
B) Humans and animals like to be rewarded, and sugar is highly rewarding.
C) We are conditioned early in life to like sweets in a process called conditioned taste learning.
D) We associate sweet tastes with pleasant things like hugs and kisses, and thus develop a preference for sweet tastes.