In an Left Outer Join, what happened to the rows of the left table without a matching row in the right table?
选项：

A:

Rows of the left table without a matching row in the right table are copied to the query result and the missing values from the right table are filled with NULL values.

B:

Rows of the left table without a matching row in the right table are NOT copied to the query result.

C:

Rows of the left table without a matching row in the right table are copied to the query result and the missing values from the right table are filled with a blank if the data type is character or with a zero if it is numeric.

D:

This will result as an error.