When loading data into a table that captures the load time in a column with a default value of either CURRENT_TIME() or CURRENT_TIMESTAMP() what will occur?

When loading data into a table that captures the load time in a column with a default value of either CURRENT_TIME() or CURRENT_TIMESTAMP() what will occur?
A . All rows loaded using a specific COPY statement will have varying timestamps based on when the rows were inserted.
B . Any rows loaded using a specific COPY statement will have varying timestamps based on when the rows were read from the source.
C . Any rows loaded using a specific COPY statement will have varying timestamps based on when the rows were created in the source.
D . All rows loaded using a specific COPY statement will have the same timestamp value.

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Answer: D