Analysis of the argument:
->A new café-open unusual beverages served in an unusual atmosphere.
-> Before construction-secured funding based on the quality of its beverages from potential investors.
-> After intensive tests conducted were not to know customer's preference, but whether customers liked descriptions of the café's atmosphere.
We need to resolve the paradox as to why such tests were conducted.
A. Investors are unlikely to invest substantial amounts of capital in a café whose own managers are skeptical about the commercial prospects of the beverages they are selling.
INCORRECT. Firstly, We are not talking about doubtfulness of managers on beverages and secondly, the café already had funding from the investors beforehand.
B. The potential customers are not likely to be able to envision how initial designs of the café and later designs of the atmosphere might differ.
INCORRECT. How does it matter what customer remembers about the designs now or later. Doesn't resolves the issue.
C. If a new café succeeds, the commercial benefits will accrue largely to the investors, not to the patrons, of the café.
INCORRECT. The success of a business is generally enjoyed by the investors. This sentence no way resolves the issue as to why such tests were conducted to know café's atmosphere fron customer. Out of scope.
D. After opening its first location, the café will easily be able to make adjustments to the unusual beverages, but it will not be able to make adjustments to the location's unusual atmosphere.✔
CORRECT. Once the café is opened up, they can change the beverages as and when they want as customers can give their reviews (or any other reason) but once an adjustments are constructed, it would be difficult to change later on so it is better to know it directly from the customers beforehand.
E. Potential customers are unlikely to be able to predict which of the beverages at the café will be the most popular.
INCORRECT. Customers can give their opinion on what they like or not. But their preference on a beverage never explains why the café intended to know.