A. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.getquerylocator([select id from account]));

B. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.query('select id from account'));

C. Apexpages.standardcontroller controller= new
apexpages.standardcontroller(database.getquerylocator('select id from account'));

D. Apexpages.standardcontroller controller= new apexpages.standardcontroller([select id from account]);

E. Apexpages.standardsetcontroller controller=new
apexpages.standardsetcontroller(database.getquerylocator('select id from account'));