Which one is the most appropriate step to conduct factor model analysis for finding out the determining factors of customer loyalty in the hotel industry? (1. Set up a questionaire, 2. Collect evaluation from customers, 3. Compare coefficients of independent variables, 4. Conduct regression)
A.1>2>4>3
B.1>2>3>4
C.3>1>2>4
D.2>1>4>3
正确答案：A