Answer: concept test
Step-by-step explanation:
Based on the information given, we can infer that National Family Opinion (NFO) is conducting a concept test.
Concept testing is the process whereby surveys are used in the evaluation of the acceptance of a new product by the consumers before the product is introduced to the market.
Since the consumers are given a survey which contains different multiple-choice questions about their attitudes toward the new product,
Therefore, the correct option is B.