Question

reta and Fred were on the bus that arrived in Pittsburgh. Fred was glad to be home. He looked forward to visiting with old friends. Greta, on the other hand, dreaded seeing her old boyfriend. She already missed her days in New York City. Which one of the following phrases indicates that a contrast is being made? A. Looked forward B. On the other hand C. Already missed D. Both Greta and Fred

Answer 1

"On the other hand" is a phrase typically used to compare and contrast two or more things. 

Choice A refers only to Fred, who was happy to be back in Pittsburgh.
Choice C refers only to Greta, who was not happy to be back in Pittsburgh.
Choice D refers to both Greta and Fred but makes no contrast between the two. If anything, Choice D would be making a comparison.