Answer: B) Blake better.
Explanation:
According to the question,Blake will be more liked by Ellie as Blake persist same point of view as she does on philosophical subject which they are discussing.She will find him more like minded with her as compared to Rob who has different view point than her.
Other options are incorrect because Ellie will not like Rob more, Rob and Blake will not be liked equally and none of them is also not liked by her.Thus, the correct option is option(B).