【单选题】

Having operated for over 4 decades,Escape has developed a strong reputation for safety and quality. The management and staff ofEscape encourage all passengers to review the following information.

Escape passengers are asked to familiarize themselves with the carrier’s federally approved safety measures by reading the card stored in the pocket of the seat in front of them. This card includes information on finding aircraft exits, using oxygen masks and inflatable vests, and following emergency procedures.Even experienced travelers should review this document, as procedures do change from time to time. Passengers should also pay attention to the in-flight demonstration provided by members of the cabin crew.
If passengers have any urgent personal safety concerns while on board, they can contact a member of the cabin crew by pressing the assistance button on the panel above their seat.Escape asks that passengers only push this button in case of an emergency.
Thank you!
According to the information, what should passengers refrain from doingA．Damaging safety demonstration cards
B．Pressing the assistance button without cause
C．Touching any of the safety equipment
D．Speaking to cabin crew members during takeoff