_______ is a type of 2D barcode, consisting of an array of black and white squares.

_______ is a type of 2D barcode, consisting of an array of black and w

1.	_______ is a type of 2D barcode, consisting of an array of black and white squares.
A.	Smart code
B.	Square code
C.	Bubble code
D.	QR code
Answer» E.