Answer:
A. has been waiting
Explanation:
"My mother" is the subject then "has been waiting" is the simple predicate
The law of club and fang refers the primitive laws of nature and necessary survival skills for a dog's relationship with man and other dogs. Buck must learn this essential law in order to survive in the treacherous Northland
mark as brainilest
its either simple or compound.maybe it would be compound bc it has the word AND in it.