单选题The opening of cursor CSR01 produces the following result set: STUDENT LASTNM FIRSTNM CLASSNO 123 Brown John T100 213 Bailey James T100 312 Carter Arlene T210 465 Chas Devon T305 546 Davis Steven T405 If this Fetch statement is executed: FETCH csr01 INTO :studnum, :firstname, :lastname, :class Which of the following DELETE statements will cause this row to be deleted?（）ADELETE ALL FROM tab01 FOR CURRENT OF csr01BDELETE FROM tab01 FOR CURRENT csr01 WITH RSCDELETE * FROM tab01 WHERE CURRENT csr01 WITH CSDDELETE FROM tab01 WHERE CURRENT OF csr01 WITH RR
单选题
The opening of cursor CSR01 produces the following result set: STUDENT LASTNM FIRSTNM CLASSNO 123 Brown John T100 213 Bailey James T100 312 Carter Arlene T210 465 Chas Devon T305 546 Davis Steven T405 If this Fetch statement is executed: FETCH csr01 INTO :studnum, :firstname, :lastname, :class Which of the following DELETE statements will cause this row to be deleted?（）
A
DELETE ALL FROM tab01 FOR CURRENT OF csr01
B
DELETE FROM tab01 FOR CURRENT csr01 WITH RS
C
DELETE * FROM tab01 WHERE CURRENT csr01 WITH CS
D
DELETE FROM tab01 WHERE CURRENT OF csr01 WITH RR
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