Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) Mrs.Lovejoy decides to invest in companies which she believes are producing their goods based on the preferences of consumers.Mrs.Lovejoy is therefore investing in companies that are allocatively efficient.
B) Mrs.Lovejoy decides to invest in companies which she believes are producing their goods based on the preferences of consumers.Mrs.Lovejoy is therefore investing in companies that are productively efficient.
C) Mrs.Lovejoy decides to invest in companies which she believes can produce their goods at the lowest possible cost.Mrs.Lovejoy is therefore investing in companies that are allocatively efficient.
D) Mrs.Lovejoy decides to invest in companies which she believes can produce their goods at the lowest possible cost.Mrs.Lovejoy is therefore investing in companies that are both allocatively and productively efficient.