Answer:
A) invest in companies that produce goods and services based on consumer preferences
Explanation:
Dr. Goldfinger decides to invest in companies which he believes can "improve the productivity and efficiency" of health care services.
So, he should do the following in order to achieve allocative efficiency:
Invest in companies that produce goods and services based on consumer preferences.
In allocative efficiency, the production represents consumer preferences. Also, here the price of a service is equal to the marginal cost of production.