GMAT Sentence Correction (SC) | Re: The U.S. Forest Service manages the National Forests for the American

The U.S. Forest Service manages the National Forests for the American people,yet they often sell timber below cost to private business and, in a recent year, it lost more than $2 billion of taxpayer money on these “sweetheart deals.”

(A) yetthey often sell timber below cost to private business and, in a recent year, it lost more than $2 billion of taxpayer money on these “sweetheart deals.”(U.S. Forest Service is singular. So, usage of 'they' is wrong.)
(B) yet it oftensell timber
...

---