Which sentence is punctuated correctly?
A.Abby collected rocks, sticks, and leaves on the hike; but Jim, I think, picked up only stones.
B.Abby collected rocks, sticks, and leaves on the hike but Jim, I think, picked up only stones.
C.Abby collected rocks, sticks, and leaves on the hike, but Jim; I think; picked up only stones.
D.Abby collected rocks; sticks; and leaves on the hike, but Jim, I think, picked up only stones.