? OF THE DAY

The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.   An  abundant supply of milk  from  dairy farms  A     B    nearby  make  the Bern region of Switzerland  a     C     D     leading producer  of condensed milk and milk     chocolate.  No error     E    A.     (A) B.     (B) C.     (C) D.     (D) E.     (E)