【单选题】

The following rules must always be obeyed by the Santos Pizzas staff.

- Staff members must put on a hat or hairnet and wash their hands before entering the kitchen.
- Staff members must wear disposable gloves while handling food items. Please make an effort to change gloves on a regular (141) .
-Before using any food item, please check the expiration date on the packet, tin, or carton, and inspect the contents carefully. Spoiled food must (142) , and a note should be left to explain when, why, and by whom it was thrown out.
- Make sure fresh food items are stored in the refrigerator, and carefully wrap any items that have been openeD、
- The kitchen area should be kept as clean as possible. Please clear up any spills immediately. The management would like to thank you all for following these (143) .By doing so, you help to ensure that the food served at Santos Pizzas is always clean, fresh, healthy, and tasty.
A．gauges
B．measures
C．rates
D．degrees