Which one of the following SQL programs deletes the SAS data set ONE?

Given the following SAS data set ONE:

ONE

NUM VAR

1 A

2 B

3 C

Which one of the following SQL programs deletes the SAS data set ONE?
A . proc sql; delete table one; quit;
B . proc sql; alter table one drop num, var; quit;
C . proc sql; drop table one; quit;
D . proc sql; delete from one; quit;