When Economic Losses Exist in the Cereal Market,for Example,this Is

When economic losses exist in the cereal market,for example,this is an indication that

A) The goods and services that society is giving up (the opportunity cost) are more valuable than the cereal being produced.
B) Society's scarce resources are being used in the best way.
C) Not enough firms are producing cereal (assuming that the market is perfectly competitive) .
D) The WHAT to produce question is being answered efficiently.