Which of the Following Code Fragments Is Correct

Multiple Choice

Which of the following code fragments is correct?

A) FOR i IN 1..tbl.COUNT
Lv_tot_num := lv_tot_num + tbl_roast(i) ;
END LOOP;
B) FOR i IN 1..tbl.COUNT LOOP
Lv_tot_num := lv_tot_num + tbl_roast(i)
END LOOP
C) FOR i IN 1..tbl.COUNT LOOP
Lv_tot_num = lv_tot_num + tbl_roast(i) ;
END LOOP;
D) FOR i IN 1..tbl.COUNT LOOP
Lv_tot_num := lv_tot_num + tbl_roast(i) ;
END LOOP;