The purpose of technology is to make it easier, ______ it more difficult.

A．not make

B．not to make

C．making not

D．do not make

银联标识从左至右一次是（）三种颜色。

A.红、蓝、绿

B.红、绿、蓝

C.蓝、绿、红

D.绿、红、蓝