Answer:
I think it may be D ( it suggests a tone of loving concern )
B. It demonstrates that corruption is at the center of totalitarian government’s
The pigs use the fact that they are considered the smart ones to give themselves better treatment than the rest of the animals
D because propel means to move forward
Certain characters in a story could seem one way but turn out to be different in the end. For example, a character could be nice throughout the entire story up until the turning point. This certain character could turn out to be the antagonist after all and we wouldn't suspect It or vice versa. The antagonist could turn into a protagonist towards the end. It all depends on how the character is developed and presented.