Yes your sentence is correct but you have add "in" in place of within
Answer:
d. with puppy-dog eyes
Explanation:
The following misplaced group of words or modifiers are "with puppy-dog eyes", and when re-written it should look like this, "Having been discovered, with puppy-dog eyes Rover looked up at his owner"
Frozen is an adjective. Past participle of frozen is freeze.
B bc you’re describing something or someone
