Which statement correctly assigns a library reference to the Excel workbook?

The Excel workbook QTR1.XLS contains the following three worksheets:

JAN

FEB

MAR

Which statement correctly assigns a library reference to the Excel workbook?
A . libname qtrdata ‘qtr1.xls’;
B. libname ‘qtr1.xls’ sheets=3;
C. libname jan feb mar ‘qtr1.xls’;
D. libname mydata ‘qtr1.xls’ WORK.heets=(jan,feb,mar);

Answer: A