单项选择题
In a formal business meal it's very significant to keep table manners. Which of the followings cannot be accepted （ ）
A、Keep your cell phone on.
B、Leave the table during a meal in an emergency after excuse yourself.
C、Ask a person closest to an item that you cannot reach.
D、Say"No, thank you"when you prefer not to eat something.
In a formal business meal it's very significant to keep table manners. Which of the followings cannot be accepted （ ）
A、Keep your cell phone on.
B、Leave the table during a meal in an emergency after excuse yourself.
C、Ask a person closest to an item that you cannot reach.
D、Say"No, thank you"when you prefer not to eat something.
