Answer:
B. Which
It is the answer to the question
The museum trip, which was a lot of fun, taught the students all about dinosaurs.
A. because the " ' " has to be before the s
It is a strange experience, and it confuses him.
in order to be strange it imply that the narrator have not felt this feeling before. furthermore, the feeling of confuse emphasises that it is a new experience for the narrator to the point the narrator is not able to identify the hunger.