Answer:
farther
Explanation:
'farther' is correct since it conveys the same message with less words.
The complete predicate of this sentence is D. Went for a walk and then a bike ride.
A predicate is part of a sentence or clause which tells us what the subject does or is. In short, a predicate is a part of a sentence that is not the subject.
The subject in the above sentence is Sharon and Jason, the rest is the predicate.