The Best Way to Reduce the Possibility of Incidental Contaminants

The best way to reduce the possibility of incidental contaminants getting into foods while microwaving is to:​

A) use bleached white cardboard containers for microwaving.
B) transfer leftover foods into margarine tubs to re-heat.
C) ​select plastic cups with recycle codes 3 or 7 for microwave heating.
D) ​use glass or ceramic containers for heating foods in the microwave.
E) start on medium-high power,then increase to high power during the second half of the heating time.