pAssAgE two quEstions 29 to 31 ArE BAsED on thE pAssAgE you hAvE just hEArD、 A.BECAusE All thE BuilDings in thE City look AlikE. B、BECAusE thErE ArE no signs to DirECt thEm. C.BECAusE no tour guiDEs ArE AvAilABlE. D.BECAusE thE univErsity is EvErywhErE in thE City.