Which statement is true regarding the execution of the …

You work as a database administrator at ABC.com. You study the exhibit carefully.
Exhibit:

and examine the structure of CUSTOMRS AND SALES tables:Evaluate the following SQL statement:
Exhibit:

Which statement is true regarding the execution of the above UPDATE statement?

A.
It would not execute because the SELECT statement cannot be used in place of the table name

B.
It would execute and restrict modifications to only the column specified in the SELECT statement

C.
It would not execute because a sub query cannot be used in the WHERE clause of an UPDATE statement

D.
It would not execute because two tables cannot be used in a single UPDATE statement