【单选题】(9-12 from P.105-109)Why was the process of taming almost always involved with the castration of male animals?
A.
Because it restrains male aggression and enables humans selectively to control the herd’s procreation.
B.
Because castrated(阉割的)livestock gain weight quicker than livestock that have not been castrated.
C.
Because animals that have not been castrated produce a tougher carcass and the flavor of the meat is strong.