单项选择题

What is true regarding direct-load insert？（）

A.A direct-load insert can be invoked by suing the APPEND hint.
B.Inserting using the NOLOGGING option is the default for direct-load inserts.
C.All data loaded using direct-load insert is loaded below the high-water mark.
D.An object that is modifies using parallel direct-load can be queried within the same Transaction.

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C.The script can be executed only by using the RMAN RUN command.
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B.3，6，1，5，2，4
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E.6，3，1，2，4，5
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