Double click means you click twice on the button of the to start the program.
A. screen
B. mouse
C. keyboard
D. printer
网友回答
A. screen
(答案→)B. mouse
C. keyboard
D. printer
解析：screen屏幕；mouse鼠标；keyboard键盘；printer打印机。句意：“双击”的意思是你双击两次鼠标上的按钮来启动程序。结合语境可知选B。