Which DQL statement will modify the character size of attribute “approver_name”?

Which DQL statement will modify the character size of attribute “approver_name”?

A.
ALTER (“approver_name” char(32)) FROM “SOP”

B.
ALTER “SOP” MODIFY (“approver_name”char(32))

C.
UPDATE TYPE “SOP” MODIFY (“approver_name” char(32))

D.
ALTER TYPE “SOP” MODIFY (“approver_name” char(32))