The author, Isaac Asimov, is trying to teach us through this story
The Three Laws of Robotics, which were obviously devised by him so that men of the future will be able to have humanlike feelings. As examples of this author's intention it is worth to mention what the robot expresses through the story:
"One would like to have more expression,"
"One has thoughts and feelings that presently do not show."
The answer is no punctuation needed<span />
<span>Among the choices provided, the sentence which uses the pronoun whose is:
C.) After finding the can of soda in the classroom, the teacher turned to the class and asked, “Whose can of soda is this?”
Whose is a possessive pronoun of who which denotes ownership. In this sentence, the teacher asked the students the owner of the can of soda.</span>
I don’t think there is a such thing. It just depends on your taste
