5.Which, if any, of the following statements about accounting concepts and the characteristics of financial information are correct?（1）The concept of substance over form means that the legal form of a transaction must be reflected in financial statements, regardless of the economic substance（2）Information is not material if its omission or misstatement could influence the economic decisions of users taken on the basis of the financial statements.（3）It may sometimes be necessary to exclude information that is relevant and reliable from financial statements because it is too difficult for some users to understand.

A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. None of these statements are correct