When a company decides to expand into new industries, it must:

A、develop"multibusinessmodel"thatjustifiesitsentryintodifferentbusinesses.;
B、haltmarketingactivitiesinthecurrentindustrytoavoidbeingassociatedwithonespecificindustry.;
C、selectanewCEOandreappointtheboardofdirectors.;
D、createonecommonbusinessmodelforalltheindustriesratherthaneachbusinessunit.;
E、avoidtalkingaboutwaysofincreasingprofitabilityinthebusinessmodel.