The opening of cursor CSR01 produces t...

单项选择题 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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