For the Following Statements and Arguments, Choose Which One of the Following

Multiple Choice

For the following statements and arguments, choose which one of the following statements best describe the evidence:
-"We have interviewed thousands of customers this year and found that the vast majority who talked to us are very pleased with our service; few customers feel the need to switch to one of the 'maverick' phone companies. We're glad to reach out and touch so many!" (ad for local telephone company)
Conclusion: Few customers feel the need to switch to one of the 'maverick' phone companies.

A) The sample is not sufficient in size or is not given.
B) The sample is not random.
C) The sample is not representative (or is lacking in breadth) .
D) The sample is sufficient, random, and representative.