单项选择题

{{HTML}}
In the rectangular coordinate plane, point A has coordinates (-4, 0), point B has coordinates (0, 4), point C has coordinates (4, 0), and point D has coordinates (0, -4). What is the area of quadrilateral ABCD?

A．{{*HTML*}}8
B．{{*HTML*}}16
C．{{*HTML*}}24
D．{{*HTML*}}32
E．{{*HTML*}}64

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{{*HTML*}}In the rectangular coordinate plane, point A has coordinates (-4, 0), point B has coordinates (0, 4), point C has coordinates (4, 0), and point D has coordinates (0, -4). What is the area of quadrilateral ABCD?