By Howard Schneider and Ann Saphir March 6 (Reuters) - Fresh signs of labor weakness and oil-driven inflation concerns are cornering U.S. Federal Reserve officials into an uncomfortable choice: leave borrowing costs steady to ensure that inflation does not worsen or cut them to shore up a job market that is losing ground.

The U.S. economy shed 92,000 jobs in February, a sign the labor market is still in low-hire mode as employers navigate economic and geopolitical uncertainty.