Out of sight out of mind.(英译汉)

He jumped to his feet and ran out of the office.（英译中)

She sat gazing out of the window.（英译中)

The pen slips out of my fingers.（英译中)

The phrase "out of sight and out of mind" underlined in Paragraph 3 probably means ______

The phrase "out of sight and out of mind" underlined in Paragraph 3 probably means ______

1 know Bob______but I have never actually spoken to him.A．by sightB．out of sightC．in sight