Which of the following statements is true about selecting a DBMS?

A. It is common for most organizations to conduct an independent analysis to compare DBMSs on an annual basis.
B. Large businesses are unlikely to switch from one DBMS to another because they have already made significant investments in their systems.
C. An important consideration when selecting a DBMS is that it supports COBOL.
D. Businesses often convert the majority of their data from one DBMS to another, even if they have been using one system for years.