Oil companies in the U.S are already beginning to feel the pressure. Refinery workers and petroleum-equipment-manufacturing employees are being_________.

A．laid out          B．laid off          C．laid down      D．laid aside

Oil companies in the U.S are already beginning to feel the pressure．Refinery workers and petroleum-equipment-manufacturing employees are being ________．

1. A.
   laid out
2. B.
   laid off
3. C.
   laid down
4. D.
   laid aside