Which sentence does not correctly fix this run-on sentence?
Our dog chased a skunk fortunately Dad was able to wash off the smell.
A.
Our dog chased a skunk. Fortunately, Dad was able to wash off the smell.
B.
Our dog chased a skunk, fortunately Dad was able to wash off the smell.
C.
Our dog chased a skunk, and fortunately Dad was able to wash off the smell.
D.
Our dog chased a skunk; fortunately, Dad was able to wash off the smell.